Merge remote-tracking branch 'upstream/master' into random

86 files changed, 1064 insertions, 1355 deletions

diff --git a/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs b/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
index 1514402d6..efaaa116c 100644
--- a/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
+++ b/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
@@ -616,8 +616,8 @@ namespace Emby.Server.Implementations.Activity
         /// <summary>
         /// Constructs a string description of a time-span value.
         /// </summary>
-        /// <param name="value">The value of this item</param>
-        /// <param name="description">The name of this item (singular form)</param>
+        /// <param name="value">The value of this item.</param>
+        /// <param name="description">The name of this item (singular form).</param>
         private static string CreateValueString(int value, string description)
         {
             return string.Format(
diff --git a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
index 4832c19c4..2a5d56c60 100644
--- a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
+++ b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
@@ -4,7 +4,6 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Threading;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Events;
 using MediaBrowser.Common.Extensions;
@@ -16,7 +15,7 @@ using Microsoft.Extensions.Logging;
 namespace Emby.Server.Implementations.AppBase
 {
     /// <summary>
-    /// Class BaseConfigurationManager
+    /// Class BaseConfigurationManager.
     /// </summary>
     public abstract class BaseConfigurationManager : IConfigurationManager
     {
@@ -35,7 +34,7 @@ namespace Emby.Server.Implementations.AppBase
         /// <summary>
         /// The _configuration sync lock.
         /// </summary>
-        private object _configurationSyncLock = new object();
+        private readonly object _configurationSyncLock = new object();
 
         /// <summary>
         /// The _configuration.
@@ -48,7 +47,7 @@ namespace Emby.Server.Implementations.AppBase
         /// <param name="applicationPaths">The application paths.</param>
         /// <param name="loggerFactory">The logger factory.</param>
         /// <param name="xmlSerializer">The XML serializer.</param>
-        /// <param name="fileSystem">The file system</param>
+        /// <param name="fileSystem">The file system.</param>
         protected BaseConfigurationManager(IApplicationPaths applicationPaths, ILoggerFactory loggerFactory, IXmlSerializer xmlSerializer, IFileSystem fileSystem)
         {
             CommonApplicationPaths = applicationPaths;
@@ -85,6 +84,7 @@ namespace Emby.Server.Implementations.AppBase
         /// </summary>
         /// <value>The logger.</value>
         protected ILogger Logger { get; private set; }
+
         /// <summary>
         /// Gets the XML serializer.
         /// </summary>
@@ -92,23 +92,39 @@ namespace Emby.Server.Implementations.AppBase
         protected IXmlSerializer XmlSerializer { get; private set; }
 
         /// <summary>
-        /// Gets or sets the application paths.
+        /// Gets the application paths.
         /// </summary>
         /// <value>The application paths.</value>
         public IApplicationPaths CommonApplicationPaths { get; private set; }
 
         /// <summary>
-        /// Gets the system configuration
+        /// Gets or sets the system configuration.
         /// </summary>
         /// <value>The configuration.</value>
         public BaseApplicationConfiguration CommonConfiguration
         {
             get
             {
-                // Lazy load
-                LazyInitializer.EnsureInitialized(ref _configuration, ref _configurationLoaded, ref _configurationSyncLock, () => (BaseApplicationConfiguration)ConfigurationHelper.GetXmlConfiguration(ConfigurationType, CommonApplicationPaths.SystemConfigurationFilePath, XmlSerializer));
-                return _configuration;
+                if (_configurationLoaded)
+                {
+                    return _configuration;
+                }
+
+                lock (_configurationSyncLock)
+                {
+                    if (_configurationLoaded)
+                    {
+                        return _configuration;
+                    }
+
+                    _configuration = (BaseApplicationConfiguration)ConfigurationHelper.GetXmlConfiguration(ConfigurationType, CommonApplicationPaths.SystemConfigurationFilePath, XmlSerializer);
+
+                    _configurationLoaded = true;
+
+                    return _configuration;
+                }
             }
+
             protected set
             {
                 _configuration = value;
@@ -158,7 +174,7 @@ namespace Emby.Server.Implementations.AppBase
         /// Replaces the configuration.
         /// </summary>
         /// <param name="newConfiguration">The new configuration.</param>
-        /// <exception cref="ArgumentNullException">newConfiguration</exception>
+        /// <exception cref="ArgumentNullException"><c>newConfiguration</c> is <c>null</c>.</exception>
         public virtual void ReplaceConfiguration(BaseApplicationConfiguration newConfiguration)
         {
             if (newConfiguration == null)
@@ -201,7 +217,7 @@ namespace Emby.Server.Implementations.AppBase
                 cachePath = CommonConfiguration.CachePath;
             }
 
-            Logger.LogInformation("Setting cache path to " + cachePath);
+            Logger.LogInformation("Setting cache path: {Path}", cachePath);
             ((BaseApplicationPaths)CommonApplicationPaths).CachePath = cachePath;
         }
 
@@ -209,7 +225,7 @@ namespace Emby.Server.Implementations.AppBase
         /// Replaces the cache path.
         /// </summary>
         /// <param name="newConfig">The new configuration.</param>
-        /// <exception cref="DirectoryNotFoundException"></exception>
+        /// <exception cref="DirectoryNotFoundException">The new cache path doesn't exist.</exception>
         private void ValidateCachePath(BaseApplicationConfiguration newConfig)
         {
             var newPath = newConfig.CachePath;
@@ -220,7 +236,7 @@ namespace Emby.Server.Implementations.AppBase
                 // Validate
                 if (!Directory.Exists(newPath))
                 {
-                    throw new FileNotFoundException(
+                    throw new DirectoryNotFoundException(
                         string.Format(
                             CultureInfo.InvariantCulture,
                             "{0} does not exist.",
@@ -299,8 +315,7 @@ namespace Emby.Server.Implementations.AppBase
                 throw new ArgumentException("Expected configuration type is " + configurationType.Name);
             }
 
-            var validatingStore = configurationStore as IValidatingConfiguration;
-            if (validatingStore != null)
+            if (configurationStore is IValidatingConfiguration validatingStore)
             {
                 var currentConfiguration = GetConfiguration(key);
 
diff --git a/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs b/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
index 90b97061f..854d7b4cb 100644
--- a/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
+++ b/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
@@ -6,13 +6,13 @@ using MediaBrowser.Model.Serialization;
 namespace Emby.Server.Implementations.AppBase
 {
     /// <summary>
-    /// Class ConfigurationHelper
+    /// Class ConfigurationHelper.
     /// </summary>
     public static class ConfigurationHelper
     {
         /// <summary>
         /// Reads an xml configuration file from the file system
-        /// It will immediately re-serialize and save if new serialization data is available due to property changes
+        /// It will immediately re-serialize and save if new serialization data is available due to property changes.
         /// </summary>
         /// <param name="type">The type.</param>
         /// <param name="path">The path.</param>
diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs
index 04904fc4a..8c625539a 100644
--- a/Emby.Server.Implementations/ApplicationHost.cs
+++ b/Emby.Server.Implementations/ApplicationHost.cs
@@ -88,7 +88,6 @@ using MediaBrowser.Model.Cryptography;
 using MediaBrowser.Model.Diagnostics;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Events;
-using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.MediaInfo;
@@ -110,9 +109,8 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Extensions;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Logging;
-using ServiceStack;
+using Microsoft.OpenApi.Models;
 using OperatingSystem = MediaBrowser.Common.System.OperatingSystem;
 
 namespace Emby.Server.Implementations
@@ -232,7 +230,25 @@ namespace Emby.Server.Implementations
             }
         }
 
-        protected IServiceProvider _serviceProvider;
+        /// <summary>
+        /// Gets or sets the service provider.
+        /// </summary>
+        public IServiceProvider ServiceProvider { get; set; }
+
+        /// <summary>
+        /// Gets the http port for the webhost.
+        /// </summary>
+        public int HttpPort { get; private set; }
+
+        /// <summary>
+        /// Gets the https port for the webhost.
+        /// </summary>
+        public int HttpsPort { get; private set; }
+
+        /// <summary>
+        /// Gets the content root for the webhost.
+        /// </summary>
+        public string ContentRoot { get; private set; }
 
         /// <summary>
         /// Gets the server configuration manager.
@@ -321,7 +337,7 @@ namespace Emby.Server.Implementations
         private readonly IConfiguration _configuration;
 
         /// <summary>
-        /// Gets or sets the installation manager.
+        /// Gets the installation manager.
         /// </summary>
         /// <value>The installation manager.</value>
         protected IInstallationManager InstallationManager { get; private set; }
@@ -362,7 +378,7 @@ namespace Emby.Server.Implementations
         {
             _configuration = configuration;
 
-            XmlSerializer = new MyXmlSerializer(fileSystem, loggerFactory);
+            XmlSerializer = new MyXmlSerializer();
 
             NetworkManager = networkManager;
             networkManager.LocalSubnetsFn = GetConfiguredLocalSubnets;
@@ -410,13 +426,17 @@ namespace Emby.Server.Implementations
             _validAddressResults.Clear();
         }
 
-        public string ApplicationVersion { get; } = typeof(ApplicationHost).Assembly.GetName().Version.ToString(3);
+        /// <inheritdoc />
+        public Version ApplicationVersion { get; } = typeof(ApplicationHost).Assembly.GetName().Version;
+
+        /// <inheritdoc />
+        public string ApplicationVersionString { get; } = typeof(ApplicationHost).Assembly.GetName().Version.ToString(3);
 
         /// <summary>
         /// Gets the current application user agent.
         /// </summary>
         /// <value>The application user agent.</value>
-        public string ApplicationUserAgent => Name.Replace(' ', '-') + "/" + ApplicationVersion;
+        public string ApplicationUserAgent => Name.Replace(' ', '-') + "/" + ApplicationVersionString;
 
         /// <summary>
         /// Gets the email address for use within a comment section of a user agent field.
@@ -452,20 +472,20 @@ namespace Emby.Server.Implementations
         public string Name => ApplicationProductName;
 
         /// <summary>
-        /// Creates an instance of type and resolves all constructor dependencies
+        /// Creates an instance of type and resolves all constructor dependencies.
         /// </summary>
         /// <param name="type">The type.</param>
         /// <returns>System.Object.</returns>
         public object CreateInstance(Type type)
-            => ActivatorUtilities.CreateInstance(_serviceProvider, type);
+            => ActivatorUtilities.CreateInstance(ServiceProvider, type);
 
         /// <summary>
-        /// Creates an instance of type and resolves all constructor dependencies
+        /// Creates an instance of type and resolves all constructor dependencies.
         /// </summary>
         /// /// <typeparam name="T">The type.</typeparam>
         /// <returns>T.</returns>
         public T CreateInstance<T>()
-            => ActivatorUtilities.CreateInstance<T>(_serviceProvider);
+            => ActivatorUtilities.CreateInstance<T>(ServiceProvider);
 
         /// <summary>
         /// Creates the instance safe.
@@ -477,7 +497,7 @@ namespace Emby.Server.Implementations
             try
             {
                 Logger.LogDebug("Creating instance of {Type}", type);
-                return ActivatorUtilities.CreateInstance(_serviceProvider, type);
+                return ActivatorUtilities.CreateInstance(ServiceProvider, type);
             }
             catch (Exception ex)
             {
@@ -491,12 +511,12 @@ namespace Emby.Server.Implementations
         /// </summary>
         /// <typeparam name="T">The type</typeparam>
         /// <returns>``0.</returns>
-        public T Resolve<T>() => _serviceProvider.GetService<T>();
+        public T Resolve<T>() => ServiceProvider.GetService<T>();
 
         /// <summary>
         /// Gets the export types.
         /// </summary>
-        /// <typeparam name="T">The type</typeparam>
+        /// <typeparam name="T">The type.</typeparam>
         /// <returns>IEnumerable{Type}.</returns>
         public IEnumerable<Type> GetExportTypes<T>()
         {
@@ -508,11 +528,12 @@ namespace Emby.Server.Implementations
         /// <inheritdoc />
         public IReadOnlyCollection<T> GetExports<T>(bool manageLifetime = true)
         {
+            // Convert to list so this isn't executed for each iteration
             var parts = GetExportTypes<T>()
                 .Select(CreateInstanceSafe)
                 .Where(i => i != null)
                 .Cast<T>()
-                .ToList(); // Convert to list so this isn't executed for each iteration
+                .ToList();
 
             if (manageLifetime)
             {
@@ -607,77 +628,14 @@ namespace Emby.Server.Implementations
 
             await RegisterResources(serviceCollection).ConfigureAwait(false);
 
-            FindParts();
-
-            string contentRoot = ServerConfigurationManager.Configuration.DashboardSourcePath;
-            if (string.IsNullOrEmpty(contentRoot))
+            ContentRoot = ServerConfigurationManager.Configuration.DashboardSourcePath;
+            if (string.IsNullOrEmpty(ContentRoot))
             {
-                contentRoot = ServerConfigurationManager.ApplicationPaths.WebPath;
-            }
-
-            var host = new WebHostBuilder()
-                .UseKestrel(options =>
-                {
-                    var addresses = ServerConfigurationManager
-                        .Configuration
-                        .LocalNetworkAddresses
-                        .Select(NormalizeConfiguredLocalAddress)
-                        .Where(i => i != null)
-                        .ToList();
-                    if (addresses.Any())
-                    {
-                        foreach (var address in addresses)
-                        {
-                            Logger.LogInformation("Kestrel listening on {ipaddr}", address);
-                            options.Listen(address, HttpPort);
-
-                            if (EnableHttps && Certificate != null)
-                            {
-                                options.Listen(address, HttpsPort, listenOptions => listenOptions.UseHttps(Certificate));
-                            }
-                        }
-                    }
-                    else
-                    {
-                        Logger.LogInformation("Kestrel listening on all interfaces");
-                        options.ListenAnyIP(HttpPort);
-
-                        if (EnableHttps && Certificate != null)
-                        {
-                            options.ListenAnyIP(HttpsPort, listenOptions => listenOptions.UseHttps(Certificate));
-                        }
-                    }
-                })
-                .UseContentRoot(contentRoot)
-                .ConfigureServices(services =>
-                {
-                    services.AddResponseCompression();
-                    services.AddHttpContextAccessor();
-                })
-                .Configure(app =>
-                {
-                    app.UseWebSockets();
-
-                    app.UseResponseCompression();
-
-                    // TODO app.UseMiddleware<WebSocketMiddleware>();
-                    app.Use(ExecuteWebsocketHandlerAsync);
-                    app.Use(ExecuteHttpHandlerAsync);
-                })
-                .Build();
-
-            try
-            {
-                await host.StartAsync().ConfigureAwait(false);
-            }
-            catch
-            {
-                Logger.LogError("Kestrel failed to start! This is most likely due to an invalid address or port bind - correct your bind configuration in system.xml and try again.");
-                throw;
+                ContentRoot = ServerConfigurationManager.ApplicationPaths.WebPath;
             }
         }
 
-        private async Task ExecuteWebsocketHandlerAsync(HttpContext context, Func<Task> next)
+        public async Task ExecuteWebsocketHandlerAsync(HttpContext context, Func<Task> next)
         {
             if (!context.WebSockets.IsWebSocketRequest)
             {
@@ -688,7 +646,7 @@ namespace Emby.Server.Implementations
             await HttpServer.ProcessWebSocketRequest(context).ConfigureAwait(false);
         }
 
-        private async Task ExecuteHttpHandlerAsync(HttpContext context, Func<Task> next)
+        public async Task ExecuteHttpHandlerAsync(HttpContext context, Func<Task> next)
         {
             if (context.WebSockets.IsWebSocketRequest)
             {
@@ -749,7 +707,8 @@ namespace Emby.Server.Implementations
 
             serviceCollection.AddSingleton(typeof(IStreamHelper), typeof(StreamHelper));
 
-            serviceCollection.AddSingleton(typeof(ICryptoProvider), typeof(CryptographyProvider));
+            var cryptoProvider = new CryptographyProvider();
+            serviceCollection.AddSingleton<ICryptoProvider>(cryptoProvider);
 
             SocketFactory = new SocketFactory();
             serviceCollection.AddSingleton(SocketFactory);
@@ -788,7 +747,17 @@ namespace Emby.Server.Implementations
 
             _userRepository = GetUserRepository();
 
-            UserManager = new UserManager(LoggerFactory.CreateLogger<UserManager>(), _userRepository, XmlSerializer, NetworkManager, () => ImageProcessor, () => DtoService, this, JsonSerializer, FileSystemManager);
+            UserManager = new UserManager(
+                LoggerFactory.CreateLogger<UserManager>(),
+                _userRepository,
+                XmlSerializer,
+                NetworkManager,
+                () => ImageProcessor,
+                () => DtoService,
+                this,
+                JsonSerializer,
+                FileSystemManager,
+                cryptoProvider);
 
             serviceCollection.AddSingleton(UserManager);
 
@@ -866,8 +835,7 @@ namespace Emby.Server.Implementations
             NotificationManager = new NotificationManager(LoggerFactory, UserManager, ServerConfigurationManager);
             serviceCollection.AddSingleton(NotificationManager);
 
-            serviceCollection.AddSingleton<IDeviceDiscovery>(
-                new DeviceDiscovery(LoggerFactory, ServerConfigurationManager, SocketFactory));
+            serviceCollection.AddSingleton<IDeviceDiscovery>(new DeviceDiscovery(ServerConfigurationManager));
 
             ChapterManager = new ChapterManager(LibraryManager, LoggerFactory, ServerConfigurationManager, ItemRepository);
             serviceCollection.AddSingleton(ChapterManager);
@@ -896,7 +864,7 @@ namespace Emby.Server.Implementations
             serviceCollection.AddSingleton<IAuthorizationContext>(authContext);
             serviceCollection.AddSingleton<ISessionContext>(new SessionContext(UserManager, authContext, SessionManager));
 
-            AuthService = new AuthService(authContext, ServerConfigurationManager, SessionManager, NetworkManager);
+            AuthService = new AuthService(LoggerFactory.CreateLogger<AuthService>(), authContext, ServerConfigurationManager, SessionManager, NetworkManager);
             serviceCollection.AddSingleton(AuthService);
 
             SubtitleEncoder = new MediaBrowser.MediaEncoding.Subtitles.SubtitleEncoder(LibraryManager, LoggerFactory, ApplicationPaths, FileSystemManager, MediaEncoder, JsonSerializer, HttpClient, MediaSourceManager, ProcessFactory);
@@ -906,7 +874,7 @@ namespace Emby.Server.Implementations
 
             _displayPreferencesRepository.Initialize();
 
-            var userDataRepo = new SqliteUserDataRepository(LoggerFactory, ApplicationPaths);
+            var userDataRepo = new SqliteUserDataRepository(LoggerFactory.CreateLogger<SqliteUserDataRepository>(), ApplicationPaths);
 
             SetStaticProperties();
 
@@ -915,8 +883,6 @@ namespace Emby.Server.Implementations
             ((UserDataManager)UserDataManager).Repository = userDataRepo;
             ItemRepository.Initialize(userDataRepo, UserManager);
             ((LibraryManager)LibraryManager).ItemRepository = ItemRepository;
-
-            _serviceProvider = serviceCollection.BuildServiceProvider();
         }
 
         public static void LogEnvironmentInfo(ILogger logger, IApplicationPaths appPaths)
@@ -1007,7 +973,7 @@ namespace Emby.Server.Implementations
         }
 
         /// <summary>
-        /// Dirty hacks
+        /// Dirty hacks.
         /// </summary>
         private void SetStaticProperties()
         {
@@ -1073,9 +1039,9 @@ namespace Emby.Server.Implementations
         /// <summary>
         /// Finds the parts.
         /// </summary>
-        protected void FindParts()
+        public void FindParts()
         {
-            InstallationManager = _serviceProvider.GetService<IInstallationManager>();
+            InstallationManager = ServiceProvider.GetService<IInstallationManager>();
             InstallationManager.PluginInstalled += PluginInstalled;
 
             if (!ServerConfigurationManager.Configuration.IsPortAuthorized)
@@ -1204,7 +1170,7 @@ namespace Emby.Server.Implementations
 
         private CertificateInfo CertificateInfo { get; set; }
 
-        protected X509Certificate2 Certificate { get; private set; }
+        public X509Certificate2 Certificate { get; private set; }
 
         private IEnumerable<string> GetUrlPrefixes()
         {
@@ -1415,17 +1381,18 @@ namespace Emby.Server.Implementations
         /// <summary>
         /// Gets the system status.
         /// </summary>
-        /// <param name="cancellationToken">The cancellation token</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>SystemInfo.</returns>
         public async Task<SystemInfo> GetSystemInfo(CancellationToken cancellationToken)
         {
             var localAddress = await GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
+            var transcodingTempPath = ConfigurationManager.GetTranscodePath();
 
             return new SystemInfo
             {
                 HasPendingRestart = HasPendingRestart,
                 IsShuttingDown = IsShuttingDown,
-                Version = ApplicationVersion,
+                Version = ApplicationVersionString,
                 WebSocketPortNumber = HttpPort,
                 CompletedInstallations = InstallationManager.CompletedInstallations.ToArray(),
                 Id = SystemId,
@@ -1443,7 +1410,7 @@ namespace Emby.Server.Implementations
                 CanSelfRestart = CanSelfRestart,
                 CanLaunchWebBrowser = CanLaunchWebBrowser,
                 HasUpdateAvailable = HasUpdateAvailable,
-                TranscodingTempPath = ApplicationPaths.TranscodingTempPath,
+                TranscodingTempPath = transcodingTempPath,
                 ServerName = FriendlyName,
                 LocalAddress = localAddress,
                 SupportsLibraryMonitor = true,
@@ -1465,7 +1432,7 @@ namespace Emby.Server.Implementations
 
             return new PublicSystemInfo
             {
-                Version = ApplicationVersion,
+                Version = ApplicationVersionString,
                 ProductName = ApplicationProductName,
                 Id = SystemId,
                 OperatingSystem = OperatingSystem.Id.ToString(),
@@ -1588,7 +1555,7 @@ namespace Emby.Server.Implementations
             return resultList;
         }
 
-        private IPAddress NormalizeConfiguredLocalAddress(string address)
+        public IPAddress NormalizeConfiguredLocalAddress(string address)
         {
             var index = address.Trim('/').IndexOf('/');
 
@@ -1664,10 +1631,6 @@ namespace Emby.Server.Implementations
                 ? Environment.MachineName
                 : ServerConfigurationManager.Configuration.ServerName;
 
-        public int HttpPort { get; private set; }
-
-        public int HttpsPort { get; private set; }
-
         /// <summary>
         /// Shuts down.
         /// </summary>
@@ -1730,7 +1693,7 @@ namespace Emby.Server.Implementations
         /// dns is prefixed with a valid Uri prefix.
         /// </summary>
         /// <param name="externalDns">The external dns prefix to get the hostname of.</param>
-        /// <returns>The hostname in <paramref name="externalDns"/></returns>
+        /// <returns>The hostname in <paramref name="externalDns"/>.</returns>
         private static string GetHostnameFromExternalDns(string externalDns)
         {
             if (string.IsNullOrEmpty(externalDns))
@@ -1844,6 +1807,7 @@ namespace Emby.Server.Implementations
     internal class CertificateInfo
     {
         public string Path { get; set; }
+
         public string Password { get; set; }
     }
 }
diff --git a/Emby.Server.Implementations/Channels/ChannelManager.cs b/Emby.Server.Implementations/Channels/ChannelManager.cs
index 54a027dac..8e955f1b0 100644
--- a/Emby.Server.Implementations/Channels/ChannelManager.cs
+++ b/Emby.Server.Implementations/Channels/ChannelManager.cs
@@ -470,10 +470,10 @@ namespace Emby.Server.Implementations.Channels
                 _libraryManager.CreateItem(item, null);
             }
 
-            await item.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+            await item.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_fileSystem))
             {
                 ForceSave = !isNew && forceUpdate
-            }, cancellationToken);
+            }, cancellationToken).ConfigureAwait(false);
 
             return item;
         }
@@ -636,7 +636,7 @@ namespace Emby.Server.Implementations.Channels
 
         private async Task RefreshLatestChannelItems(IChannel channel, CancellationToken cancellationToken)
         {
-            var internalChannel = await GetChannel(channel, cancellationToken);
+            var internalChannel = await GetChannel(channel, cancellationToken).ConfigureAwait(false);
 
             var query = new InternalItemsQuery();
             query.Parent = internalChannel;
@@ -1156,7 +1156,7 @@ namespace Emby.Server.Implementations.Channels
 
             if (isNew || forceUpdate || item.DateLastRefreshed == default(DateTime))
             {
-                _providerManager.QueueRefresh(item.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)), RefreshPriority.Normal);
+                _providerManager.QueueRefresh(item.Id, new MetadataRefreshOptions(new DirectoryService(_fileSystem)), RefreshPriority.Normal);
             }
 
             return item;
diff --git a/Emby.Server.Implementations/Collections/CollectionManager.cs b/Emby.Server.Implementations/Collections/CollectionManager.cs
index bb5057b1c..c5a77ce5b 100644
--- a/Emby.Server.Implementations/Collections/CollectionManager.cs
+++ b/Emby.Server.Implementations/Collections/CollectionManager.cs
@@ -121,7 +121,7 @@ namespace Emby.Server.Implementations.Collections
             // This could cause it to get re-resolved as a plain folder
             var folderName = _fileSystem.GetValidFilename(name) + " [boxset]";
 
-            var parentFolder = GetCollectionsFolder(true).Result;
+            var parentFolder = GetCollectionsFolder(true).GetAwaiter().GetResult();
 
             if (parentFolder == null)
             {
@@ -149,7 +149,7 @@ namespace Emby.Server.Implementations.Collections
 
                 if (options.ItemIdList.Length > 0)
                 {
-                    AddToCollection(collection.Id, options.ItemIdList, false, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+                    AddToCollection(collection.Id, options.ItemIdList, false, new MetadataRefreshOptions(new DirectoryService(_fileSystem))
                     {
                         // The initial adding of items is going to create a local metadata file
                         // This will cause internet metadata to be skipped as a result
@@ -158,7 +158,7 @@ namespace Emby.Server.Implementations.Collections
                 }
                 else
                 {
-                    _providerManager.QueueRefresh(collection.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)), RefreshPriority.High);
+                    _providerManager.QueueRefresh(collection.Id, new MetadataRefreshOptions(new DirectoryService(_fileSystem)), RefreshPriority.High);
                 }
 
                 CollectionCreated?.Invoke(this, new CollectionCreatedEventArgs
@@ -178,12 +178,12 @@ namespace Emby.Server.Implementations.Collections
 
         public void AddToCollection(Guid collectionId, IEnumerable<string> ids)
         {
-            AddToCollection(collectionId, ids, true, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)));
+            AddToCollection(collectionId, ids, true, new MetadataRefreshOptions(new DirectoryService(_fileSystem)));
         }
 
         public void AddToCollection(Guid collectionId, IEnumerable<Guid> ids)
         {
-            AddToCollection(collectionId, ids.Select(i => i.ToString("N", CultureInfo.InvariantCulture)), true, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)));
+            AddToCollection(collectionId, ids.Select(i => i.ToString("N", CultureInfo.InvariantCulture)), true, new MetadataRefreshOptions(new DirectoryService(_fileSystem)));
         }
 
         private void AddToCollection(Guid collectionId, IEnumerable<string> ids, bool fireEvent, MetadataRefreshOptions refreshOptions)
@@ -287,7 +287,7 @@ namespace Emby.Server.Implementations.Collections
             }
 
             collection.UpdateToRepository(ItemUpdateType.MetadataEdit, CancellationToken.None);
-            _providerManager.QueueRefresh(collection.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+            _providerManager.QueueRefresh(collection.Id, new MetadataRefreshOptions(new DirectoryService(_fileSystem))
             {
                 ForceSave = true
             }, RefreshPriority.High);
diff --git a/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs b/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
index c7f92b80b..2291345be 100644
--- a/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
+++ b/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.IO;
 using Emby.Server.Implementations.AppBase;
 using MediaBrowser.Common.Configuration;
@@ -14,7 +13,7 @@ using Microsoft.Extensions.Logging;
 namespace Emby.Server.Implementations.Configuration
 {
     /// <summary>
-    /// Class ServerConfigurationManager
+    /// Class ServerConfigurationManager.
     /// </summary>
     public class ServerConfigurationManager : BaseConfigurationManager, IServerConfigurationManager
     {
@@ -62,13 +61,6 @@ namespace Emby.Server.Implementations.Configuration
             base.OnConfigurationUpdated();
         }
 
-        public override void AddParts(IEnumerable<IConfigurationFactory> factories)
-        {
-            base.AddParts(factories);
-
-            UpdateTranscodePath();
-        }
-
         /// <summary>
         /// Updates the metadata path.
         /// </summary>
@@ -85,28 +77,6 @@ namespace Emby.Server.Implementations.Configuration
         }
 
         /// <summary>
-        /// Updates the transcoding temporary path.
-        /// </summary>
-        private void UpdateTranscodePath()
-        {
-            var encodingConfig = this.GetConfiguration<EncodingOptions>("encoding");
-
-            ((ServerApplicationPaths)ApplicationPaths).TranscodingTempPath = string.IsNullOrEmpty(encodingConfig.TranscodingTempPath) ?
-                null :
-                Path.Combine(encodingConfig.TranscodingTempPath, "transcodes");
-        }
-
-        protected override void OnNamedConfigurationUpdated(string key, object configuration)
-        {
-            base.OnNamedConfigurationUpdated(key, configuration);
-
-            if (string.Equals(key, "encoding", StringComparison.OrdinalIgnoreCase))
-            {
-                UpdateTranscodePath();
-            }
-        }
-
-        /// <summary>
         /// Replaces the configuration.
         /// </summary>
         /// <param name="newConfiguration">The new configuration.</param>
@@ -123,7 +93,6 @@ namespace Emby.Server.Implementations.Configuration
             base.ReplaceConfiguration(newConfiguration);
         }
 
-
         /// <summary>
         /// Validates the SSL certificate.
         /// </summary>
diff --git a/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs b/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs
index 23b77e268..fec7d161e 100644
--- a/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs
+++ b/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs
@@ -30,6 +30,9 @@ namespace Emby.Server.Implementations.Cryptography
 
         private bool _disposed = false;
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="CryptographyProvider"/> class.
+        /// </summary>
         public CryptographyProvider()
         {
             // FIXME: When we get DotNet Standard 2.1 we need to revisit how we do the crypto
@@ -59,12 +62,6 @@ namespace Emby.Server.Implementations.Cryptography
             throw new CryptographicException($"Cannot currently use PBKDF2 with requested hash method: {method}");
         }
 
-        public byte[] ComputeHash(string hashMethod, byte[] bytes)
-            => ComputeHash(hashMethod, bytes, Array.Empty<byte>());
-
-        public byte[] ComputeHashWithDefaultMethod(byte[] bytes)
-            => ComputeHash(DefaultHashMethod, bytes);
-
         public byte[] ComputeHash(string hashMethod, byte[] bytes, byte[] salt)
         {
             if (hashMethod == DefaultHashMethod)
@@ -90,7 +87,6 @@ namespace Emby.Server.Implementations.Cryptography
             }
 
             throw new CryptographicException($"Requested hash method is not supported: {hashMethod}");
-
         }
 
         public byte[] ComputeHashWithDefaultMethod(byte[] bytes, byte[] salt)
diff --git a/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs b/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs
index 2cd4d65b3..2f6c1288d 100644
--- a/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs
@@ -110,8 +110,8 @@ namespace Emby.Server.Implementations.Data
 
             using (var statement = connection.PrepareStatement("replace into userdisplaypreferences (id, userid, client, data) values (@id, @userId, @client, @data)"))
             {
-                statement.TryBind("@id", displayPreferences.Id.ToGuidBlob());
-                statement.TryBind("@userId", userId.ToGuidBlob());
+                statement.TryBind("@id", new Guid(displayPreferences.Id).ToByteArray());
+                statement.TryBind("@userId", userId.ToByteArray());
                 statement.TryBind("@client", client);
                 statement.TryBind("@data", serialized);
 
@@ -170,8 +170,8 @@ namespace Emby.Server.Implementations.Data
             {
                 using (var statement = connection.PrepareStatement("select data from userdisplaypreferences where id = @id and userId=@userId and client=@client"))
                 {
-                    statement.TryBind("@id", guidId.ToGuidBlob());
-                    statement.TryBind("@userId", userId.ToGuidBlob());
+                    statement.TryBind("@id", guidId.ToByteArray());
+                    statement.TryBind("@userId", userId.ToByteArray());
                     statement.TryBind("@client", client);
 
                     foreach (var row in statement.ExecuteQuery())
@@ -200,7 +200,7 @@ namespace Emby.Server.Implementations.Data
             using (var connection = GetConnection(true))
             using (var statement = connection.PrepareStatement("select data from userdisplaypreferences where userId=@userId"))
             {
-                statement.TryBind("@userId", userId.ToGuidBlob());
+                statement.TryBind("@userId", userId.ToByteArray());
 
                 foreach (var row in statement.ExecuteQuery())
                 {
diff --git a/Emby.Server.Implementations/Data/SqliteExtensions.cs b/Emby.Server.Implementations/Data/SqliteExtensions.cs
index e7c394b54..c76ae0cac 100644
--- a/Emby.Server.Implementations/Data/SqliteExtensions.cs
+++ b/Emby.Server.Implementations/Data/SqliteExtensions.cs
@@ -9,6 +9,47 @@ namespace Emby.Server.Implementations.Data
 {
     public static class SqliteExtensions
     {
+        private const string DatetimeFormatUtc = "yyyy-MM-dd HH:mm:ss.FFFFFFFK";
+        private const string DatetimeFormatLocal = "yyyy-MM-dd HH:mm:ss.FFFFFFF";
+
+        /// <summary>
+        /// An array of ISO-8601 DateTime formats that we support parsing.
+        /// </summary>
+        private static readonly string[] _datetimeFormats = new string[]
+        {
+            "THHmmssK",
+            "THHmmK",
+            "HH:mm:ss.FFFFFFFK",
+            "HH:mm:ssK",
+            "HH:mmK",
+            DatetimeFormatUtc,
+            "yyyy-MM-dd HH:mm:ssK",
+            "yyyy-MM-dd HH:mmK",
+            "yyyy-MM-ddTHH:mm:ss.FFFFFFFK",
+            "yyyy-MM-ddTHH:mmK",
+            "yyyy-MM-ddTHH:mm:ssK",
+            "yyyyMMddHHmmssK",
+            "yyyyMMddHHmmK",
+            "yyyyMMddTHHmmssFFFFFFFK",
+            "THHmmss",
+            "THHmm",
+            "HH:mm:ss.FFFFFFF",
+            "HH:mm:ss",
+            "HH:mm",
+            DatetimeFormatLocal,
+            "yyyy-MM-dd HH:mm:ss",
+            "yyyy-MM-dd HH:mm",
+            "yyyy-MM-ddTHH:mm:ss.FFFFFFF",
+            "yyyy-MM-ddTHH:mm",
+            "yyyy-MM-ddTHH:mm:ss",
+            "yyyyMMddHHmmss",
+            "yyyyMMddHHmm",
+            "yyyyMMddTHHmmssFFFFFFF",
+            "yyyy-MM-dd",
+            "yyyyMMdd",
+            "yy-MM-dd"
+        };
+
         public static void RunQueries(this SQLiteDatabaseConnection connection, string[] queries)
         {
             if (queries == null)
@@ -22,16 +63,6 @@ namespace Emby.Server.Implementations.Data
             });
         }
 
-        public static byte[] ToGuidBlob(this string str)
-        {
-            return ToGuidBlob(new Guid(str));
-        }
-
-        public static byte[] ToGuidBlob(this Guid guid)
-        {
-            return guid.ToByteArray();
-        }
-
         public static Guid ReadGuidFromBlob(this IResultSetValue result)
         {
             return new Guid(result.ToBlob());
@@ -50,58 +81,16 @@ namespace Emby.Server.Implementations.Data
                     CultureInfo.InvariantCulture);
         }
 
-        private static string GetDateTimeKindFormat(
-           DateTimeKind kind)
-        {
-            return (kind == DateTimeKind.Utc) ? _datetimeFormatUtc : _datetimeFormatLocal;
-        }
-
-        /// <summary>
-        /// An array of ISO-8601 DateTime formats that we support parsing.
-        /// </summary>
-        private static string[] _datetimeFormats = new string[] {
-      "THHmmssK",
-      "THHmmK",
-      "HH:mm:ss.FFFFFFFK",
-      "HH:mm:ssK",
-      "HH:mmK",
-      "yyyy-MM-dd HH:mm:ss.FFFFFFFK", /* NOTE: UTC default (5). */
-      "yyyy-MM-dd HH:mm:ssK",
-      "yyyy-MM-dd HH:mmK",
-      "yyyy-MM-ddTHH:mm:ss.FFFFFFFK",
-      "yyyy-MM-ddTHH:mmK",
-      "yyyy-MM-ddTHH:mm:ssK",
-      "yyyyMMddHHmmssK",
-      "yyyyMMddHHmmK",
-      "yyyyMMddTHHmmssFFFFFFFK",
-      "THHmmss",
-      "THHmm",
-      "HH:mm:ss.FFFFFFF",
-      "HH:mm:ss",
-      "HH:mm",
-      "yyyy-MM-dd HH:mm:ss.FFFFFFF", /* NOTE: Non-UTC default (19). */
-      "yyyy-MM-dd HH:mm:ss",
-      "yyyy-MM-dd HH:mm",
-      "yyyy-MM-ddTHH:mm:ss.FFFFFFF",
-      "yyyy-MM-ddTHH:mm",
-      "yyyy-MM-ddTHH:mm:ss",
-      "yyyyMMddHHmmss",
-      "yyyyMMddHHmm",
-      "yyyyMMddTHHmmssFFFFFFF",
-      "yyyy-MM-dd",
-      "yyyyMMdd",
-      "yy-MM-dd"
-    };
-
-        private static string _datetimeFormatUtc = _datetimeFormats[5];
-        private static string _datetimeFormatLocal = _datetimeFormats[19];
+        private static string GetDateTimeKindFormat(DateTimeKind kind)
+            => (kind == DateTimeKind.Utc) ? DatetimeFormatUtc : DatetimeFormatLocal;
 
         public static DateTime ReadDateTime(this IResultSetValue result)
         {
             var dateText = result.ToString();
 
             return DateTime.ParseExact(
-                dateText, _datetimeFormats,
+                dateText,
+                _datetimeFormats,
                 DateTimeFormatInfo.InvariantInfo,
                 DateTimeStyles.None).ToUniversalTime();
         }
@@ -139,7 +128,10 @@ namespace Emby.Server.Implementations.Data
 
         public static void Attach(SQLiteDatabaseConnection db, string path, string alias)
         {
-            var commandText = string.Format("attach @path as {0};", alias);
+            var commandText = string.Format(
+                CultureInfo.InvariantCulture,
+                "attach @path as {0};",
+                alias);
 
             using (var statement = db.PrepareStatement(commandText))
             {
@@ -186,10 +178,7 @@ namespace Emby.Server.Implementations.Data
         private static void CheckName(string name)
         {
 #if DEBUG
-            //if (!name.IndexOf("@", StringComparison.OrdinalIgnoreCase) != 0)
-            {
-                throw new Exception("Invalid param name: " + name);
-            }
+            throw new ArgumentException("Invalid param name: " + name, nameof(name));
 #endif
         }
 
@@ -264,7 +253,7 @@ namespace Emby.Server.Implementations.Data
         {
             if (statement.BindParameters.TryGetValue(name, out IBindParameter bindParam))
             {
-                bindParam.Bind(value.ToGuidBlob());
+                bindParam.Bind(value.ToByteArray());
             }
             else
             {
@@ -392,8 +381,7 @@ namespace Emby.Server.Implementations.Data
             }
         }
 
-        public static IEnumerable<IReadOnlyList<IResultSetValue>> ExecuteQuery(
-            this IStatement This)
+        public static IEnumerable<IReadOnlyList<IResultSetValue>> ExecuteQuery(this IStatement This)
         {
             while (This.MoveNext())
             {
diff --git a/Emby.Server.Implementations/Data/SqliteItemRepository.cs b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
index b372ab55c..69cfcb67b 100644
--- a/Emby.Server.Implementations/Data/SqliteItemRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
@@ -27,7 +27,6 @@ using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.LiveTv;
 using MediaBrowser.Model.Querying;
-using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 using SQLitePCL.pretty;
 
@@ -548,7 +547,7 @@ namespace Emby.Server.Implementations.Data
                 {
                     using (var saveImagesStatement = base.PrepareStatement(db, "Update TypedBaseItems set Images=@Images where guid=@Id"))
                     {
-                        saveImagesStatement.TryBind("@Id", item.Id.ToGuidBlob());
+                        saveImagesStatement.TryBind("@Id", item.Id.ToByteArray());
                         saveImagesStatement.TryBind("@Images", SerializeImages(item));
 
                         saveImagesStatement.MoveNext();
@@ -658,12 +657,14 @@ namespace Emby.Server.Implementations.Data
 
         private void SaveItem(BaseItem item, BaseItem topParent, string userDataKey, IStatement saveItemStatement)
         {
+            Type type = item.GetType();
+
             saveItemStatement.TryBind("@guid", item.Id);
-            saveItemStatement.TryBind("@type", item.GetType().FullName);
+            saveItemStatement.TryBind("@type", type.FullName);
 
-            if (TypeRequiresDeserialization(item.GetType()))
+            if (TypeRequiresDeserialization(type))
             {
-                saveItemStatement.TryBind("@data", JsonSerializer.SerializeToUtf8Bytes(item, _jsonOptions));
+                saveItemStatement.TryBind("@data", JsonSerializer.SerializeToUtf8Bytes(item, type, _jsonOptions));
             }
             else
             {
@@ -1177,7 +1178,7 @@ namespace Emby.Server.Implementations.Data
         {
             if (id == Guid.Empty)
             {
-                throw new ArgumentException(nameof(id), "Guid can't be empty");
+                throw new ArgumentException("Guid can't be empty", nameof(id));
             }
 
             CheckDisposed();
@@ -1988,7 +1989,7 @@ namespace Emby.Server.Implementations.Data
                 throw new ArgumentNullException(nameof(chapters));
             }
 
-            var idBlob = id.ToGuidBlob();
+            var idBlob = id.ToByteArray();
 
             using (var connection = GetConnection())
             {
@@ -3760,7 +3761,7 @@ namespace Emby.Server.Implementations.Data
 
                     if (statement != null)
                     {
-                        statement.TryBind(paramName, personId.ToGuidBlob());
+                        statement.TryBind(paramName, personId.ToByteArray());
                     }
                     index++;
                 }
@@ -3971,7 +3972,7 @@ namespace Emby.Server.Implementations.Data
                     clauses.Add("(guid in (select itemid from itemvalues where CleanValue = (select CleanName from TypedBaseItems where guid=" + paramName + ") and Type<=1))");
                     if (statement != null)
                     {
-                        statement.TryBind(paramName, artistId.ToGuidBlob());
+                        statement.TryBind(paramName, artistId.ToByteArray());
                     }
                     index++;
                 }
@@ -3990,7 +3991,7 @@ namespace Emby.Server.Implementations.Data
                     clauses.Add("(guid in (select itemid from itemvalues where CleanValue = (select CleanName from TypedBaseItems where guid=" + paramName + ") and Type=1))");
                     if (statement != null)
                     {
-                        statement.TryBind(paramName, artistId.ToGuidBlob());
+                        statement.TryBind(paramName, artistId.ToByteArray());
                     }
                     index++;
                 }
@@ -4009,7 +4010,7 @@ namespace Emby.Server.Implementations.Data
                     clauses.Add("((select CleanName from TypedBaseItems where guid=" + paramName + ") in (select CleanValue from itemvalues where ItemId=Guid and Type=0) AND (select CleanName from TypedBaseItems where guid=" + paramName + ") not in (select CleanValue from itemvalues where ItemId=Guid and Type=1))");
                     if (statement != null)
                     {
-                        statement.TryBind(paramName, artistId.ToGuidBlob());
+                        statement.TryBind(paramName, artistId.ToByteArray());
                     }
                     index++;
                 }
@@ -4028,7 +4029,7 @@ namespace Emby.Server.Implementations.Data
                     clauses.Add("Album in (select Name from typedbaseitems where guid=" + paramName + ")");
                     if (statement != null)
                     {
-                        statement.TryBind(paramName, albumId.ToGuidBlob());
+                        statement.TryBind(paramName, albumId.ToByteArray());
                     }
                     index++;
                 }
@@ -4047,7 +4048,7 @@ namespace Emby.Server.Implementations.Data
                     clauses.Add("(guid not in (select itemid from itemvalues where CleanValue = (select CleanName from TypedBaseItems where guid=" + paramName + ") and Type<=1))");
                     if (statement != null)
                     {
-                        statement.TryBind(paramName, artistId.ToGuidBlob());
+                        statement.TryBind(paramName, artistId.ToByteArray());
                     }
                     index++;
                 }
@@ -4066,7 +4067,7 @@ namespace Emby.Server.Implementations.Data
                     clauses.Add("(guid in (select itemid from itemvalues where CleanValue = (select CleanName from TypedBaseItems where guid=" + paramName + ") and Type=2))");
                     if (statement != null)
                     {
-                        statement.TryBind(paramName, genreId.ToGuidBlob());
+                        statement.TryBind(paramName, genreId.ToByteArray());
                     }
                     index++;
                 }
@@ -4137,7 +4138,7 @@ namespace Emby.Server.Implementations.Data
 
                     if (statement != null)
                     {
-                        statement.TryBind(paramName, studioId.ToGuidBlob());
+                        statement.TryBind(paramName, studioId.ToByteArray());
                     }
                     index++;
                 }
@@ -4913,7 +4914,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
             {
                 connection.RunInTransaction(db =>
                 {
-                    var idBlob = id.ToGuidBlob();
+                    var idBlob = id.ToByteArray();
 
                     // Delete people
                     ExecuteWithSingleParam(db, "delete from People where ItemId=@Id", idBlob);
@@ -5032,7 +5033,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 whereClauses.Add("ItemId=@ItemId");
                 if (statement != null)
                 {
-                    statement.TryBind("@ItemId", query.ItemId.ToGuidBlob());
+                    statement.TryBind("@ItemId", query.ItemId.ToByteArray());
                 }
             }
             if (!query.AppearsInItemId.Equals(Guid.Empty))
@@ -5040,7 +5041,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 whereClauses.Add("Name in (Select Name from People where ItemId=@AppearsInItemId)");
                 if (statement != null)
                 {
-                    statement.TryBind("@AppearsInItemId", query.AppearsInItemId.ToGuidBlob());
+                    statement.TryBind("@AppearsInItemId", query.AppearsInItemId.ToByteArray());
                 }
             }
             var queryPersonTypes = query.PersonTypes.Where(IsValidPersonType).ToList();
@@ -5109,7 +5110,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
 
             CheckDisposed();
 
-            var itemIdBlob = itemId.ToGuidBlob();
+            var itemIdBlob = itemId.ToByteArray();
 
             // First delete
             deleteAncestorsStatement.Reset();
@@ -5143,7 +5144,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
 
                     var ancestorId = ancestorIds[i];
 
-                    statement.TryBind("@AncestorId" + index, ancestorId.ToGuidBlob());
+                    statement.TryBind("@AncestorId" + index, ancestorId.ToByteArray());
                     statement.TryBind("@AncestorIdText" + index, ancestorId.ToString("N", CultureInfo.InvariantCulture));
                 }
 
@@ -5608,7 +5609,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
 
             CheckDisposed();
 
-            var guidBlob = itemId.ToGuidBlob();
+            var guidBlob = itemId.ToByteArray();
 
             // First delete
             db.Execute("delete from ItemValues where ItemId=@Id", guidBlob);
@@ -5632,10 +5633,13 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 {
                     if (isSubsequentRow)
                     {
-                        insertText.Append(",");
+                        insertText.Append(',');
                     }
 
-                    insertText.AppendFormat("(@ItemId, @Type{0}, @Value{0}, @CleanValue{0})", i.ToString(CultureInfo.InvariantCulture));
+                    insertText.AppendFormat(
+                        CultureInfo.InvariantCulture,
+                        "(@ItemId, @Type{0}, @Value{0}, @CleanValue{0})",
+                        i);
                     isSubsequentRow = true;
                 }
 
@@ -5688,7 +5692,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
             {
                 connection.RunInTransaction(db =>
                 {
-                    var itemIdBlob = itemId.ToGuidBlob();
+                    var itemIdBlob = itemId.ToByteArray();
 
                     // First delete chapters
                     db.Execute("delete from People where ItemId=@ItemId", itemIdBlob);
@@ -5807,7 +5811,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
 
                 using (var statement = PrepareStatement(connection, cmdText))
                 {
-                    statement.TryBind("@ItemId", query.ItemId.ToGuidBlob());
+                    statement.TryBind("@ItemId", query.ItemId.ToByteArray());
 
                     if (query.Type.HasValue)
                     {
@@ -5849,7 +5853,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
             {
                 connection.RunInTransaction(db =>
                 {
-                    var itemIdBlob = id.ToGuidBlob();
+                    var itemIdBlob = id.ToByteArray();
 
                     // First delete chapters
                     db.Execute("delete from mediastreams where ItemId=@ItemId", itemIdBlob);
diff --git a/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs b/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
index 9d4855bcf..26ac17bdc 100644
--- a/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Threading;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Entities;
@@ -15,23 +14,19 @@ namespace Emby.Server.Implementations.Data
     public class SqliteUserDataRepository : BaseSqliteRepository, IUserDataRepository
     {
         public SqliteUserDataRepository(
-            ILoggerFactory loggerFactory,
+            ILogger<SqliteUserDataRepository> logger,
             IApplicationPaths appPaths)
-            : base(loggerFactory.CreateLogger(nameof(SqliteUserDataRepository)))
+            : base(logger)
         {
             DbFilePath = Path.Combine(appPaths.DataPath, "library.db");
         }
 
-        /// <summary>
-        /// Gets the name of the repository
-        /// </summary>
-        /// <value>The name.</value>
+        /// <inheritdoc />
         public string Name => "SQLite";
 
         /// <summary>
-        /// Opens the connection to the database
+        /// Opens the connection to the database.
         /// </summary>
-        /// <returns>Task.</returns>
         public void Initialize(IUserManager userManager, SemaphoreSlim dbLock, SQLiteDatabaseConnection dbConnection)
         {
             WriteLock.Dispose();
@@ -97,7 +92,7 @@ namespace Emby.Server.Implementations.Data
                         continue;
                     }
 
-                    statement.TryBind("@UserId", user.Id.ToGuidBlob());
+                    statement.TryBind("@UserId", user.Id.ToByteArray());
                     statement.TryBind("@InternalUserId", user.InternalId);
 
                     statement.MoveNext();
diff --git a/Emby.Server.Implementations/Data/SqliteUserRepository.cs b/Emby.Server.Implementations/Data/SqliteUserRepository.cs
index 80fe278f8..26798993b 100644
--- a/Emby.Server.Implementations/Data/SqliteUserRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteUserRepository.cs
@@ -116,7 +116,7 @@ namespace Emby.Server.Implementations.Data
                 {
                     using (var statement = db.PrepareStatement("insert into LocalUsersv2 (guid, data) values (@guid, @data)"))
                     {
-                        statement.TryBind("@guid", user.Id.ToGuidBlob());
+                        statement.TryBind("@guid", user.Id.ToByteArray());
                         statement.TryBind("@data", serialized);
 
                         statement.MoveNext();
diff --git a/Emby.Server.Implementations/Devices/DeviceManager.cs b/Emby.Server.Implementations/Devices/DeviceManager.cs
index d1704b373..36d441851 100644
--- a/Emby.Server.Implementations/Devices/DeviceManager.cs
+++ b/Emby.Server.Implementations/Devices/DeviceManager.cs
@@ -130,7 +130,6 @@ namespace Emby.Server.Implementations.Devices
             var session = _authRepo.Get(new AuthenticationInfoQuery
             {
                 DeviceId = id
-
             }).Items.FirstOrDefault();
 
             var device = session == null ? null : ToDeviceInfo(session);
diff --git a/Emby.Server.Implementations/Emby.Server.Implementations.csproj b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
index ea4444268..fde4d7059 100644
--- a/Emby.Server.Implementations/Emby.Server.Implementations.csproj
+++ b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
@@ -3,6 +3,7 @@
   <ItemGroup>
     <ProjectReference Include="..\Emby.Naming\Emby.Naming.csproj" />
     <ProjectReference Include="..\Emby.Notifications\Emby.Notifications.csproj" />
+    <ProjectReference Include="..\Jellyfin.Api\Jellyfin.Api.csproj" />
     <ProjectReference Include="..\MediaBrowser.Model\MediaBrowser.Model.csproj" />
     <ProjectReference Include="..\MediaBrowser.Common\MediaBrowser.Common.csproj" />
     <ProjectReference Include="..\MediaBrowser.Controller\MediaBrowser.Controller.csproj" />
@@ -10,7 +11,6 @@
     <ProjectReference Include="..\MediaBrowser.WebDashboard\MediaBrowser.WebDashboard.csproj" />
     <ProjectReference Include="..\MediaBrowser.XbmcMetadata\MediaBrowser.XbmcMetadata.csproj" />
     <ProjectReference Include="..\Emby.Dlna\Emby.Dlna.csproj" />
-    <ProjectReference Include="..\Mono.Nat\Mono.Nat.csproj" />
     <ProjectReference Include="..\MediaBrowser.Api\MediaBrowser.Api.csproj" />
     <ProjectReference Include="..\MediaBrowser.LocalMetadata\MediaBrowser.LocalMetadata.csproj" />
     <ProjectReference Include="..\Emby.Photos\Emby.Photos.csproj" />
@@ -29,12 +29,15 @@
     <PackageReference Include="Microsoft.AspNetCore.ResponseCompression" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.2.1" />
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="2.2.0" />
-    <PackageReference Include="ServiceStack.Text.Core" Version="5.6.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="3.0.1" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="3.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="3.0.1" />
+    <PackageReference Include="Mono.Nat" Version="2.0.0" />
+    <PackageReference Include="ServiceStack.Text.Core" Version="5.7.0" />
     <PackageReference Include="sharpcompress" Version="0.24.0" />
     <PackageReference Include="SQLitePCL.pretty.netstandard" Version="2.0.1" />
+    <PackageReference Include="System.Interactive.Async" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>
@@ -47,16 +50,12 @@
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
 
-  <PropertyGroup>
-    <!-- We need at least C# 7.3 to compare tuples-->
-    <LangVersion>latest</LangVersion>
-  </PropertyGroup>
-
   <!-- Code analysers-->
   <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.4" />
-    <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" />
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.7" />
     <PackageReference Include="SerilogAnalyzer" Version="0.15.0" />
+    <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" />
+    <PackageReference Include="SmartAnalyzers.MultithreadingAnalyzer" Version="1.1.31" />
   </ItemGroup>
 
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/Emby.Server.Implementations/EntryPoints/ExternalPortForwarding.cs b/Emby.Server.Implementations/EntryPoints/ExternalPortForwarding.cs
index f26a70586..a2619367d 100644
--- a/Emby.Server.Implementations/EntryPoints/ExternalPortForwarding.cs
+++ b/Emby.Server.Implementations/EntryPoints/ExternalPortForwarding.cs
@@ -1,10 +1,9 @@
 using System;
 using System.Collections.Generic;
-using System.Globalization;
 using System.Net;
+using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Plugins;
@@ -15,209 +14,134 @@ using Mono.Nat;
 
 namespace Emby.Server.Implementations.EntryPoints
 {
+    /// <summary>
+    /// Server entrypoint handling external port forwarding.
+    /// </summary>
     public class ExternalPortForwarding : IServerEntryPoint
     {
         private readonly IServerApplicationHost _appHost;
         private readonly ILogger _logger;
-        private readonly IHttpClient _httpClient;
         private readonly IServerConfigurationManager _config;
         private readonly IDeviceDiscovery _deviceDiscovery;
 
+        private readonly object _createdRulesLock = new object();
+        private List<IPEndPoint> _createdRules = new List<IPEndPoint>();
         private Timer _timer;
+        private string _lastConfigIdentifier;
 
-        private NatManager _natManager;
+        private bool _disposed = false;
 
-        public ExternalPortForwarding(ILoggerFactory loggerFactory, IServerApplicationHost appHost, IServerConfigurationManager config, IDeviceDiscovery deviceDiscovery, IHttpClient httpClient)
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ExternalPortForwarding"/> class.
+        /// </summary>
+        /// <param name="logger">The logger.</param>
+        /// <param name="appHost">The application host.</param>
+        /// <param name="config">The configuration manager.</param>
+        /// <param name="deviceDiscovery">The device discovery.</param>
+        public ExternalPortForwarding(
+            ILogger<ExternalPortForwarding> logger,
+            IServerApplicationHost appHost,
+            IServerConfigurationManager config,
+            IDeviceDiscovery deviceDiscovery)
         {
-            _logger = loggerFactory.CreateLogger("PortMapper");
+            _logger = logger;
             _appHost = appHost;
             _config = config;
             _deviceDiscovery = deviceDiscovery;
-            _httpClient = httpClient;
-            _config.ConfigurationUpdated += _config_ConfigurationUpdated1;
-        }
-
-        private void _config_ConfigurationUpdated1(object sender, EventArgs e)
-        {
-            _config_ConfigurationUpdated(sender, e);
         }
 
-        private string _lastConfigIdentifier;
         private string GetConfigIdentifier()
         {
-            var values = new List<string>();
+            const char Separator = '|';
             var config = _config.Configuration;
 
-            values.Add(config.EnableUPnP.ToString());
-            values.Add(config.PublicPort.ToString(CultureInfo.InvariantCulture));
-            values.Add(_appHost.HttpPort.ToString(CultureInfo.InvariantCulture));
-            values.Add(_appHost.HttpsPort.ToString(CultureInfo.InvariantCulture));
-            values.Add(_appHost.EnableHttps.ToString());
-            values.Add((config.EnableRemoteAccess).ToString());
-
-            return string.Join("|", values.ToArray());
+            return new StringBuilder(32)
+                .Append(config.EnableUPnP).Append(Separator)
+                .Append(config.PublicPort).Append(Separator)
+                .Append(_appHost.HttpPort).Append(Separator)
+                .Append(_appHost.HttpsPort).Append(Separator)
+                .Append(_appHost.EnableHttps).Append(Separator)
+                .Append(config.EnableRemoteAccess).Append(Separator)
+                .ToString();
         }
 
-        private async void _config_ConfigurationUpdated(object sender, EventArgs e)
+        private void OnConfigurationUpdated(object sender, EventArgs e)
         {
             if (!string.Equals(_lastConfigIdentifier, GetConfigIdentifier(), StringComparison.OrdinalIgnoreCase))
             {
-                DisposeNat();
-
-                await RunAsync();
+                Stop();
+                Start();
             }
         }
 
+        /// <inheritdoc />
         public Task RunAsync()
         {
-            if (_config.Configuration.EnableUPnP && _config.Configuration.EnableRemoteAccess)
-            {
-                Start();
-            }
+            Start();
 
-            _config.ConfigurationUpdated -= _config_ConfigurationUpdated;
-            _config.ConfigurationUpdated += _config_ConfigurationUpdated;
+            _config.ConfigurationUpdated += OnConfigurationUpdated;
 
             return Task.CompletedTask;
         }
 
         private void Start()
         {
-            _logger.LogDebug("Starting NAT discovery");
-            if (_natManager == null)
+            if (!_config.Configuration.EnableUPnP || !_config.Configuration.EnableRemoteAccess)
             {
-                _natManager = new NatManager(_logger, _httpClient);
-                _natManager.DeviceFound += NatUtility_DeviceFound;
-                _natManager.StartDiscovery();
+                return;
             }
 
+            _logger.LogDebug("Starting NAT discovery");
+
+            NatUtility.DeviceFound += OnNatUtilityDeviceFound;
+            NatUtility.StartDiscovery();
+
             _timer = new Timer(ClearCreatedRules, null, TimeSpan.FromMinutes(10), TimeSpan.FromMinutes(10));
 
-            _deviceDiscovery.DeviceDiscovered += _deviceDiscovery_DeviceDiscovered;
+            _deviceDiscovery.DeviceDiscovered += OnDeviceDiscoveryDeviceDiscovered;
 
             _lastConfigIdentifier = GetConfigIdentifier();
         }
 
-        private async void _deviceDiscovery_DeviceDiscovered(object sender, GenericEventArgs<UpnpDeviceInfo> e)
+        private void Stop()
         {
-            if (_disposed)
-            {
-                return;
-            }
-
-            var info = e.Argument;
-
-            if (!info.Headers.TryGetValue("USN", out string usn)) usn = string.Empty;
-
-            if (!info.Headers.TryGetValue("NT", out string nt)) nt = string.Empty;
-
-            // Filter device type
-            if (usn.IndexOf("WANIPConnection:", StringComparison.OrdinalIgnoreCase) == -1 &&
-                     nt.IndexOf("WANIPConnection:", StringComparison.OrdinalIgnoreCase) == -1 &&
-                     usn.IndexOf("WANPPPConnection:", StringComparison.OrdinalIgnoreCase) == -1 &&
-                     nt.IndexOf("WANPPPConnection:", StringComparison.OrdinalIgnoreCase) == -1)
-            {
-                return;
-            }
-
-            var identifier = string.IsNullOrWhiteSpace(usn) ? nt : usn;
-
-            if (info.Location == null)
-            {
-                return;
-            }
-
-            lock (_usnsHandled)
-            {
-                if (_usnsHandled.Contains(identifier))
-                {
-                    return;
-                }
-                _usnsHandled.Add(identifier);
-            }
-
-            _logger.LogDebug("Found NAT device: " + identifier);
-
-            if (IPAddress.TryParse(info.Location.Host, out var address))
-            {
-                // The Handle method doesn't need the port
-                var endpoint = new IPEndPoint(address, info.Location.Port);
-
-                IPAddress localAddress = null;
+            _logger.LogDebug("Stopping NAT discovery");
 
-                try
-                {
-                    var localAddressString = await _appHost.GetLocalApiUrl(CancellationToken.None).ConfigureAwait(false);
+            NatUtility.StopDiscovery();
+            NatUtility.DeviceFound -= OnNatUtilityDeviceFound;
 
-                    if (Uri.TryCreate(localAddressString, UriKind.Absolute, out var uri))
-                    {
-                        localAddressString = uri.Host;
+            _timer?.Dispose();
 
-                        if (!IPAddress.TryParse(localAddressString, out localAddress))
-                        {
-                            return;
-                        }
-                    }
-                }
-                catch (Exception ex)
-                {
-                    _logger.LogError(ex, "Error");
-                    return;
-                }
-
-                if (_disposed)
-                {
-                    return;
-                }
-
-                // This should never happen, but the Handle method will throw ArgumentNullException if it does
-                if (localAddress == null)
-                {
-                    return;
-                }
-
-                var natManager = _natManager;
-                if (natManager != null)
-                {
-                    await natManager.Handle(localAddress, info, endpoint, NatProtocol.Upnp).ConfigureAwait(false);
-                }
-            }
+            _deviceDiscovery.DeviceDiscovered -= OnDeviceDiscoveryDeviceDiscovered;
         }
 
         private void ClearCreatedRules(object state)
         {
-            lock (_createdRules)
+            lock (_createdRulesLock)
             {
                 _createdRules.Clear();
             }
-            lock (_usnsHandled)
-            {
-                _usnsHandled.Clear();
-            }
         }
 
-        void NatUtility_DeviceFound(object sender, DeviceEventArgs e)
+        private void OnDeviceDiscoveryDeviceDiscovered(object sender, GenericEventArgs<UpnpDeviceInfo> e)
         {
-            if (_disposed)
-            {
-                return;
-            }
+            NatUtility.Search(e.Argument.LocalIpAddress, NatProtocol.Upnp);
+        }
 
+        private void OnNatUtilityDeviceFound(object sender, DeviceEventArgs e)
+        {
             try
             {
                 var device = e.Device;
 
                 CreateRules(device);
             }
-            catch
+            catch (Exception ex)
             {
-                // Commenting out because users are reporting problems out of our control
-                //_logger.LogError(ex, "Error creating port forwarding rules");
+                _logger.LogError(ex, "Error creating port forwarding rules");
             }
         }
 
-        private List<string> _createdRules = new List<string>();
-        private List<string> _usnsHandled = new List<string>();
         private async void CreateRules(INatDevice device)
         {
             if (_disposed)
@@ -227,15 +151,13 @@ namespace Emby.Server.Implementations.EntryPoints
 
             // On some systems the device discovered event seems to fire repeatedly
             // This check will help ensure we're not trying to port map the same device over and over
-            var address = device.LocalAddress;
-
-            var addressString = address.ToString();
+            var address = device.DeviceEndpoint;
 
-            lock (_createdRules)
+            lock (_createdRulesLock)
             {
-                if (!_createdRules.Contains(addressString))
+                if (!_createdRules.Contains(address))
                 {
-                    _createdRules.Add(addressString);
+                    _createdRules.Add(address);
                 }
                 else
                 {
@@ -263,54 +185,43 @@ namespace Emby.Server.Implementations.EntryPoints
             }
         }
 
-        private Task CreatePortMap(INatDevice device, int privatePort, int publicPort)
+        private Task<Mapping> CreatePortMap(INatDevice device, int privatePort, int publicPort)
         {
-            _logger.LogDebug("Creating port map on local port {0} to public port {1} with device {2}", privatePort, publicPort, device.LocalAddress.ToString());
-
-            return device.CreatePortMap(new Mapping(Protocol.Tcp, privatePort, publicPort)
-            {
-                Description = _appHost.Name
-            });
+            _logger.LogDebug(
+                "Creating port map on local port {0} to public port {1} with device {2}",
+                privatePort,
+                publicPort,
+                device.DeviceEndpoint);
+
+            return device.CreatePortMapAsync(
+                new Mapping(Protocol.Tcp, privatePort, publicPort, 0, _appHost.Name));
         }
 
-        private bool _disposed = false;
+        /// <inheritdoc />
         public void Dispose()
         {
-            _disposed = true;
-            DisposeNat();
+            Dispose(true);
+            GC.SuppressFinalize(this);
         }
 
-        private void DisposeNat()
+        /// <summary>
+        /// Releases unmanaged and - optionally - managed resources.
+        /// </summary>
+        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
+        protected virtual void Dispose(bool dispose)
         {
-            _logger.LogDebug("Stopping NAT discovery");
-
-            if (_timer != null)
+            if (_disposed)
             {
-                _timer.Dispose();
-                _timer = null;
+                return;
             }
 
-            _deviceDiscovery.DeviceDiscovered -= _deviceDiscovery_DeviceDiscovered;
+            _config.ConfigurationUpdated -= OnConfigurationUpdated;
 
-            var natManager = _natManager;
+            Stop();
 
-            if (natManager != null)
-            {
-                _natManager = null;
+            _timer = null;
 
-                using (natManager)
-                {
-                    try
-                    {
-                        natManager.StopDiscovery();
-                        natManager.DeviceFound -= NatUtility_DeviceFound;
-                    }
-                    catch (Exception ex)
-                    {
-                        _logger.LogError(ex, "Error stopping NAT Discovery");
-                    }
-                }
-            }
+            _disposed = true;
         }
     }
 }
diff --git a/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs b/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
index 9c0db2cf5..24906220d 100644
--- a/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
+++ b/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
@@ -21,7 +21,7 @@ namespace Emby.Server.Implementations.EntryPoints
     public class LibraryChangedNotifier : IServerEntryPoint
     {
         /// <summary>
-        /// The _library manager
+        /// The library manager.
         /// </summary>
         private readonly ILibraryManager _libraryManager;
 
@@ -30,7 +30,7 @@ namespace Emby.Server.Implementations.EntryPoints
         private readonly ILogger _logger;
 
         /// <summary>
-        /// The _library changed sync lock
+        /// The library changed sync lock.
         /// </summary>
         private readonly object _libraryChangedSyncLock = new object();
 
@@ -48,7 +48,7 @@ namespace Emby.Server.Implementations.EntryPoints
         private Timer LibraryUpdateTimer { get; set; }
 
         /// <summary>
-        /// The library update duration
+        /// The library update duration.
         /// </summary>
         private const int LibraryUpdateDuration = 30000;
 
@@ -188,8 +188,11 @@ namespace Emby.Server.Implementations.EntryPoints
             {
                 if (LibraryUpdateTimer == null)
                 {
-                    LibraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, LibraryUpdateDuration,
-                                                   Timeout.Infinite);
+                    LibraryUpdateTimer = new Timer(
+                        LibraryUpdateTimerCallback,
+                        null,
+                        LibraryUpdateDuration,
+                        Timeout.Infinite);
                 }
                 else
                 {
@@ -452,7 +455,7 @@ namespace Emby.Server.Implementations.EntryPoints
                 return new[] { item };
             }
 
-            return new T[] { };
+            return Array.Empty<T>();
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/EntryPoints/RefreshUsersMetadata.cs b/Emby.Server.Implementations/EntryPoints/RefreshUsersMetadata.cs
index b2328121e..3a7516dca 100644
--- a/Emby.Server.Implementations/EntryPoints/RefreshUsersMetadata.cs
+++ b/Emby.Server.Implementations/EntryPoints/RefreshUsersMetadata.cs
@@ -54,7 +54,7 @@ namespace Emby.Server.Implementations.EntryPoints
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
-                await user.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)), cancellationToken).ConfigureAwait(false);
+                await user.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_fileSystem)), cancellationToken).ConfigureAwait(false);
             }
         }
 
diff --git a/Emby.Server.Implementations/EntryPoints/ServerEventNotifier.cs b/Emby.Server.Implementations/EntryPoints/ServerEventNotifier.cs
index 141e72958..3ff8d9968 100644
--- a/Emby.Server.Implementations/EntryPoints/ServerEventNotifier.cs
+++ b/Emby.Server.Implementations/EntryPoints/ServerEventNotifier.cs
@@ -156,7 +156,7 @@ namespace Emby.Server.Implementations.EntryPoints
         {
             try
             {
-                await _sessionManager.SendMessageToAdminSessions(name, data, CancellationToken.None);
+                await _sessionManager.SendMessageToAdminSessions(name, data, CancellationToken.None).ConfigureAwait(false);
             }
             catch (Exception)
             {
diff --git a/Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs b/Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs
index 0e6083773..2da0191dd 100644
--- a/Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs
+++ b/Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs
@@ -325,7 +325,7 @@ namespace Emby.Server.Implementations.HttpClientManager
 
             if (options.LogErrorResponseBody)
             {
-                var msg = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
+                string msg = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
                 _logger.LogError("HTTP request failed with message: {Message}", msg);
             }
 
diff --git a/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs b/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
index e4f98acb9..6dd016f8a 100644
--- a/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
+++ b/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
@@ -7,7 +7,6 @@ using System.Net.Sockets;
 using System.Reflection;
 using System.Threading;
 using System.Threading.Tasks;
-using Emby.Server.Implementations.Configuration;
 using Emby.Server.Implementations.Net;
 using Emby.Server.Implementations.Services;
 using MediaBrowser.Common.Extensions;
@@ -16,11 +15,9 @@ using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Net;
 using MediaBrowser.Model.Events;
-using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Services;
 using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Internal;
 using Microsoft.AspNetCore.WebUtilities;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
@@ -166,7 +163,7 @@ namespace Emby.Server.Implementations.HttpServer
             {
                 OnReceive = ProcessWebSocketMessageReceived,
                 Url = e.Url,
-                QueryString = e.QueryString ?? new QueryCollection()
+                QueryString = e.QueryString
             };
 
             connection.Closed += OnConnectionClosed;
@@ -539,6 +536,11 @@ namespace Emby.Server.Implementations.HttpServer
             }
             finally
             {
+                if (httpRes.StatusCode >= 500)
+                {
+                    _logger.LogDebug("Sending HTTP Response 500 in response to {Url}", urlToLog);
+                }
+
                 stopWatch.Stop();
                 var elapsed = stopWatch.Elapsed;
                 if (elapsed.TotalMilliseconds > 500)
diff --git a/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs b/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
index 0b2924a3b..b5cfb6b09 100644
--- a/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
+++ b/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
@@ -460,7 +460,7 @@ namespace Emby.Server.Implementations.HttpServer
 
             if (string.IsNullOrEmpty(path))
             {
-                throw new ArgumentNullException(nameof(path));
+                throw new ArgumentException("Path can't be empty.", nameof(options));
             }
 
             if (fileShare != FileShareMode.Read && fileShare != FileShareMode.ReadWrite)
diff --git a/Emby.Server.Implementations/HttpServer/RangeRequestWriter.cs b/Emby.Server.Implementations/HttpServer/RangeRequestWriter.cs
index e27f794ba..320136d11 100644
--- a/Emby.Server.Implementations/HttpServer/RangeRequestWriter.cs
+++ b/Emby.Server.Implementations/HttpServer/RangeRequestWriter.cs
@@ -48,12 +48,14 @@ namespace Emby.Server.Implementations.HttpServer
         public IDictionary<string, string> Headers => _options;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="StreamWriter" /> class.
+        /// Initializes a new instance of the <see cref="RangeRequestWriter" /> class.
         /// </summary>
         /// <param name="rangeHeader">The range header.</param>
+        /// <param name="contentLength">The content length.</param>
         /// <param name="source">The source.</param>
         /// <param name="contentType">Type of the content.</param>
         /// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
+        /// <param name="logger">The logger instance.</param>
         public RangeRequestWriter(string rangeHeader, long contentLength, Stream source, string contentType, bool isHeadRequest, ILogger logger)
         {
             if (string.IsNullOrEmpty(contentType))
diff --git a/Emby.Server.Implementations/HttpServer/Security/AuthService.cs b/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
index 93a61fe67..594f46498 100644
--- a/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
+++ b/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using Emby.Server.Implementations.SocketSharp;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
@@ -7,22 +8,27 @@ using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Security;
 using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.HttpServer.Security
 {
     public class AuthService : IAuthService
     {
+        private readonly ILogger<AuthService> _logger;
         private readonly IAuthorizationContext _authorizationContext;
         private readonly ISessionManager _sessionManager;
         private readonly IServerConfigurationManager _config;
         private readonly INetworkManager _networkManager;
 
         public AuthService(
+            ILogger<AuthService> logger,
             IAuthorizationContext authorizationContext,
             IServerConfigurationManager config,
             ISessionManager sessionManager,
             INetworkManager networkManager)
         {
+            _logger = logger;
             _authorizationContext = authorizationContext;
             _config = config;
             _sessionManager = sessionManager;
@@ -34,7 +40,14 @@ namespace Emby.Server.Implementations.HttpServer.Security
             ValidateUser(request, authAttribtues);
         }
 
-        private void ValidateUser(IRequest request, IAuthenticationAttributes authAttribtues)
+        public User Authenticate(HttpRequest request, IAuthenticationAttributes authAttributes)
+        {
+            var req = new WebSocketSharpRequest(request, null, request.Path, _logger);
+            var user = ValidateUser(req, authAttributes);
+            return user;
+        }
+
+        private User ValidateUser(IRequest request, IAuthenticationAttributes authAttribtues)
         {
             // This code is executed before the service
             var auth = _authorizationContext.GetAuthorizationInfo(request);
@@ -81,6 +94,8 @@ namespace Emby.Server.Implementations.HttpServer.Security
                     request.RemoteIp,
                     user);
             }
+
+            return user;
         }
 
         private void ValidateUserAccess(
diff --git a/Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs b/Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs
index c95b00ede..c043568d5 100644
--- a/Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs
+++ b/Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs
@@ -2,11 +2,11 @@ using System;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using MediaBrowser.Common;
 using MediaBrowser.Common.Cryptography;
 using MediaBrowser.Controller.Authentication;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Model.Cryptography;
-using static MediaBrowser.Common.HexHelper;
 
 namespace Emby.Server.Implementations.Library
 {
@@ -59,7 +59,10 @@ namespace Emby.Server.Implementations.Library
             if (_cryptographyProvider.GetSupportedHashMethods().Contains(readyHash.Id)
                 || _cryptographyProvider.DefaultHashMethod == readyHash.Id)
             {
-                byte[] calculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes, readyHash.Salt);
+                byte[] calculatedHash = _cryptographyProvider.ComputeHash(
+                    readyHash.Id,
+                    passwordbytes,
+                    readyHash.Salt);
 
                 if (calculatedHash.SequenceEqual(readyHash.Hash))
                 {
@@ -122,7 +125,7 @@ namespace Emby.Server.Implementations.Library
         {
             return string.IsNullOrEmpty(user.EasyPassword)
                 ? null
-                : ToHexString(PasswordHash.Parse(user.EasyPassword).Hash);
+                : Hex.Encode(PasswordHash.Parse(user.EasyPassword).Hash);
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/Library/InvalidAuthProvider.cs b/Emby.Server.Implementations/Library/InvalidAuthProvider.cs
index 6956369dc..7913df5e4 100644
--- a/Emby.Server.Implementations/Library/InvalidAuthProvider.cs
+++ b/Emby.Server.Implementations/Library/InvalidAuthProvider.cs
@@ -1,7 +1,6 @@
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Authentication;
 using MediaBrowser.Controller.Entities;
-using MediaBrowser.Controller.Net;
 
 namespace Emby.Server.Implementations.Library
 {
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index 9a2a6dc5f..826cdb9c6 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -519,7 +519,7 @@ namespace Emby.Server.Implementations.Library
         }
 
         public BaseItem ResolvePath(FileSystemMetadata fileInfo, Folder parent = null)
-            => ResolvePath(fileInfo, new DirectoryService(_logger, _fileSystem), null, parent);
+            => ResolvePath(fileInfo, new DirectoryService(_fileSystem), null, parent);
 
         private BaseItem ResolvePath(
             FileSystemMetadata fileInfo,
@@ -1045,7 +1045,7 @@ namespace Emby.Server.Implementations.Library
             await RootFolder.ValidateChildren(
                 new SimpleProgress<double>(),
                 cancellationToken,
-                new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)),
+                new MetadataRefreshOptions(new DirectoryService(_fileSystem)),
                 recursive: false).ConfigureAwait(false);
 
             await GetUserRootFolder().RefreshMetadata(cancellationToken).ConfigureAwait(false);
@@ -1053,7 +1053,7 @@ namespace Emby.Server.Implementations.Library
             await GetUserRootFolder().ValidateChildren(
                 new SimpleProgress<double>(),
                 cancellationToken,
-                new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)),
+                new MetadataRefreshOptions(new DirectoryService(_fileSystem)),
                 recursive: false).ConfigureAwait(false);
 
             // Quickly scan CollectionFolders for changes
@@ -1074,7 +1074,7 @@ namespace Emby.Server.Implementations.Library
             innerProgress.RegisterAction(pct => progress.Report(pct * .96));
 
             // Now validate the entire media library
-            await RootFolder.ValidateChildren(innerProgress, cancellationToken, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)), recursive: true).ConfigureAwait(false);
+            await RootFolder.ValidateChildren(innerProgress, cancellationToken, new MetadataRefreshOptions(new DirectoryService(_fileSystem)), recursive: true).ConfigureAwait(false);
 
             progress.Report(96);
 
@@ -1899,7 +1899,7 @@ namespace Emby.Server.Implementations.Library
         /// <param name="cancellationToken">The cancellation token.</param>
         public void UpdateItem(BaseItem item, BaseItem parent, ItemUpdateType updateReason, CancellationToken cancellationToken)
         {
-            UpdateItems(new [] { item }, parent, updateReason, cancellationToken);
+            UpdateItems(new[] { item }, parent, updateReason, cancellationToken);
         }
 
         /// <summary>
@@ -2135,7 +2135,7 @@ namespace Emby.Server.Implementations.Library
             if (refresh)
             {
                 item.UpdateToRepository(ItemUpdateType.MetadataImport, CancellationToken.None);
-                _providerManagerFactory().QueueRefresh(item.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)), RefreshPriority.Normal);
+                _providerManagerFactory().QueueRefresh(item.Id, new MetadataRefreshOptions(new DirectoryService(_fileSystem)), RefreshPriority.Normal);
             }
 
             return item;
@@ -2175,7 +2175,6 @@ namespace Emby.Server.Implementations.Library
                     DisplayParentId = parentId
                 };
 
-
                 CreateItem(item, null);
 
                 isNew = true;
@@ -2193,11 +2192,10 @@ namespace Emby.Server.Implementations.Library
             {
                 _providerManagerFactory().QueueRefresh(
                     item.Id,
-                    new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+                    new MetadataRefreshOptions(new DirectoryService(_fileSystem))
                     {
                         // Need to force save to increment DateLastSaved
                         ForceSave = true
-
                     },
                     RefreshPriority.Normal);
             }
@@ -2261,7 +2259,7 @@ namespace Emby.Server.Implementations.Library
             {
                 _providerManagerFactory().QueueRefresh(
                     item.Id,
-                    new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+                    new MetadataRefreshOptions(new DirectoryService(_fileSystem))
                     {
                         // Need to force save to increment DateLastSaved
                         ForceSave = true
@@ -2338,7 +2336,7 @@ namespace Emby.Server.Implementations.Library
             {
                 _providerManagerFactory().QueueRefresh(
                     item.Id,
-                    new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+                    new MetadataRefreshOptions(new DirectoryService(_fileSystem))
                     {
                         // Need to force save to increment DateLastSaved
                         ForceSave = true
@@ -2487,6 +2485,15 @@ namespace Emby.Server.Implementations.Library
                 {
                     episode.ParentIndexNumber = season.IndexNumber;
                 }
+                else
+                {
+                    /*
+                    Anime series don't generally have a season in their file name, however,
+                    tvdb needs a season to correctly get the metadata.
+                    Hence, a null season needs to be filled with something. */
+                    //FIXME perhaps this would be better for tvdb parser to ask for season 1 if no season is specified
+                    episode.ParentIndexNumber = 1;
+                }
 
                 if (episode.ParentIndexNumber.HasValue)
                 {
diff --git a/Emby.Server.Implementations/Library/MediaSourceManager.cs b/Emby.Server.Implementations/Library/MediaSourceManager.cs
index d83e1fc02..7a26e0c37 100644
--- a/Emby.Server.Implementations/Library/MediaSourceManager.cs
+++ b/Emby.Server.Implementations/Library/MediaSourceManager.cs
@@ -134,12 +134,13 @@ namespace Emby.Server.Implementations.Library
 
             if (allowMediaProbe && mediaSources[0].Type != MediaSourceType.Placeholder && !mediaSources[0].MediaStreams.Any(i => i.Type == MediaStreamType.Audio || i.Type == MediaStreamType.Video))
             {
-                await item.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
-                {
-                    EnableRemoteContentProbe = true,
-                    MetadataRefreshMode = MediaBrowser.Controller.Providers.MetadataRefreshMode.FullRefresh
-
-                }, cancellationToken).ConfigureAwait(false);
+                await item.RefreshMetadata(
+                    new MetadataRefreshOptions(new DirectoryService(_fileSystem))
+                    {
+                        EnableRemoteContentProbe = true,
+                        MetadataRefreshMode = MetadataRefreshMode.FullRefresh
+                    },
+                    cancellationToken).ConfigureAwait(false);
 
                 mediaSources = GetStaticMediaSources(item, enablePathSubstitution, user);
             }
diff --git a/Emby.Server.Implementations/Library/SearchEngine.cs b/Emby.Server.Implementations/Library/SearchEngine.cs
index c10b77a24..c749aec42 100644
--- a/Emby.Server.Implementations/Library/SearchEngine.cs
+++ b/Emby.Server.Implementations/Library/SearchEngine.cs
@@ -83,7 +83,7 @@ namespace Emby.Server.Implementations.Library
 
             if (string.IsNullOrEmpty(searchTerm))
             {
-                throw new ArgumentNullException(nameof(searchTerm));
+                throw new ArgumentNullException("SearchTerm can't be empty.", nameof(searchTerm));
             }
 
             searchTerm = searchTerm.Trim().RemoveDiacritics();
diff --git a/Emby.Server.Implementations/Library/UserManager.cs b/Emby.Server.Implementations/Library/UserManager.cs
index 52b2f56ff..2b22129f3 100644
--- a/Emby.Server.Implementations/Library/UserManager.cs
+++ b/Emby.Server.Implementations/Library/UserManager.cs
@@ -24,6 +24,7 @@ using MediaBrowser.Controller.Providers;
 using MediaBrowser.Controller.Security;
 using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Cryptography;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Events;
@@ -31,7 +32,6 @@ using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Users;
 using Microsoft.Extensions.Logging;
-using static MediaBrowser.Common.HexHelper;
 
 namespace Emby.Server.Implementations.Library
 {
@@ -60,6 +60,7 @@ namespace Emby.Server.Implementations.Library
         private readonly Func<IDtoService> _dtoServiceFactory;
         private readonly IServerApplicationHost _appHost;
         private readonly IFileSystem _fileSystem;
+        private readonly ICryptoProvider _cryptoProvider;
 
         private ConcurrentDictionary<Guid, User> _users;
 
@@ -80,7 +81,8 @@ namespace Emby.Server.Implementations.Library
             Func<IDtoService> dtoServiceFactory,
             IServerApplicationHost appHost,
             IJsonSerializer jsonSerializer,
-            IFileSystem fileSystem)
+            IFileSystem fileSystem,
+            ICryptoProvider cryptoProvider)
         {
             _logger = logger;
             _userRepository = userRepository;
@@ -91,6 +93,7 @@ namespace Emby.Server.Implementations.Library
             _appHost = appHost;
             _jsonSerializer = jsonSerializer;
             _fileSystem = fileSystem;
+            _cryptoProvider = cryptoProvider;
             _users = null;
         }
 
@@ -179,12 +182,7 @@ namespace Emby.Server.Implementations.Library
             _defaultPasswordResetProvider = passwordResetProviders.OfType<DefaultPasswordResetProvider>().First();
         }
 
-        /// <summary>
-        /// Gets a User by Id.
-        /// </summary>
-        /// <param name="id">The id.</param>
-        /// <returns>User.</returns>
-        /// <exception cref="ArgumentException"></exception>
+        /// <inheritdoc />
         public User GetUserById(Guid id)
         {
             if (id == Guid.Empty)
@@ -196,11 +194,7 @@ namespace Emby.Server.Implementations.Library
             return user;
         }
 
-        /// <summary>
-        /// Gets the user by identifier.
-        /// </summary>
-        /// <param name="id">The identifier.</param>
-        /// <returns>User.</returns>
+        /// <inheritdoc />
         public User GetUserById(string id)
             => GetUserById(new Guid(id));
 
@@ -428,7 +422,6 @@ namespace Emby.Server.Implementations.Library
         {
             try
             {
-
                 var authenticationResult = provider is IRequiresResolvedUser requiresResolvedUser
                     ? await requiresResolvedUser.Authenticate(username, password, resolvedUser).ConfigureAwait(false)
                     : await provider.Authenticate(username, password).ConfigureAwait(false);
@@ -475,24 +468,21 @@ namespace Emby.Server.Implementations.Library
 
             if (!success
                 && _networkManager.IsInLocalNetwork(remoteEndPoint)
-                && user.Configuration.EnableLocalPassword)
+                && user.Configuration.EnableLocalPassword
+                && !string.IsNullOrEmpty(user.EasyPassword))
             {
-                success = string.Equals(
-                    GetLocalPasswordHash(user),
-                    _defaultAuthenticationProvider.GetHashedString(user, password),
-                    StringComparison.OrdinalIgnoreCase);
+                // Check easy password
+                var passwordHash = PasswordHash.Parse(user.EasyPassword);
+                var hash = _cryptoProvider.ComputeHash(
+                    passwordHash.Id,
+                    Encoding.UTF8.GetBytes(password),
+                    passwordHash.Salt);
+                success = passwordHash.Hash.SequenceEqual(hash);
             }
 
             return (authenticationProvider, username, success);
         }
 
-        private string GetLocalPasswordHash(User user)
-        {
-            return string.IsNullOrEmpty(user.EasyPassword)
-                ? null
-                : ToHexString(PasswordHash.Parse(user.EasyPassword).Hash);
-        }
-
         private void ResetInvalidLoginAttemptCount(User user)
         {
             user.Policy.InvalidLoginAttemptCount = 0;
@@ -538,6 +528,8 @@ namespace Emby.Server.Implementations.Library
                 defaultName = "MyJellyfinUser";
             }
 
+            _logger.LogWarning("No users, creating one with username {UserName}", defaultName);
+
             var name = MakeValidUsername(defaultName);
 
             var user = InstantiateNewUser(name);
@@ -601,7 +593,7 @@ namespace Emby.Server.Implementations.Library
                 catch (Exception ex)
                 {
                     // Have to use a catch-all unfortunately because some .net image methods throw plain Exceptions
-                    _logger.LogError(ex, "Error generating PrimaryImageAspectRatio for {user}", user.Name);
+                    _logger.LogError(ex, "Error generating PrimaryImageAspectRatio for {User}", user.Name);
                 }
             }
 
@@ -625,7 +617,7 @@ namespace Emby.Server.Implementations.Library
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, "Error getting {imageType} image info for {imagePath}", image.Type, image.Path);
+                _logger.LogError(ex, "Error getting {ImageType} image info for {ImagePath}", image.Type, image.Path);
                 return null;
             }
         }
@@ -639,7 +631,7 @@ namespace Emby.Server.Implementations.Library
         {
             foreach (var user in Users)
             {
-                await user.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)), cancellationToken).ConfigureAwait(false);
+                await user.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_fileSystem)), cancellationToken).ConfigureAwait(false);
             }
         }
 
diff --git a/Emby.Server.Implementations/Library/UserViewManager.cs b/Emby.Server.Implementations/Library/UserViewManager.cs
index 1b0813280..a9b39c064 100644
--- a/Emby.Server.Implementations/Library/UserViewManager.cs
+++ b/Emby.Server.Implementations/Library/UserViewManager.cs
@@ -42,6 +42,11 @@ namespace Emby.Server.Implementations.Library
         {
             var user = _userManager.GetUserById(query.UserId);
 
+            if (user == null)
+            {
+                throw new ArgumentException("User Id specified in the query does not exist.", nameof(query));
+            }
+
             var folders = _libraryManager.GetUserRootFolder()
                 .GetChildren(user, true)
                 .OfType<Folder>()
@@ -54,7 +59,7 @@ namespace Emby.Server.Implementations.Library
             foreach (var folder in folders)
             {
                 var collectionFolder = folder as ICollectionFolder;
-                var folderViewType = collectionFolder == null ? null : collectionFolder.CollectionType;
+                var folderViewType = collectionFolder?.CollectionType;
 
                 if (UserView.IsUserSpecific(folder))
                 {
@@ -130,16 +135,11 @@ namespace Emby.Server.Implementations.Library
                 {
                     var index = orders.IndexOf(i.Id.ToString("N", CultureInfo.InvariantCulture));
 
-                    if (index == -1)
+                    if (index == -1
+                        && i is UserView view
+                        && view.DisplayParentId != Guid.Empty)
                     {
-                        var view = i as UserView;
-                        if (view != null)
-                        {
-                            if (!view.DisplayParentId.Equals(Guid.Empty))
-                            {
-                                index = orders.IndexOf(view.DisplayParentId.ToString("N", CultureInfo.InvariantCulture));
-                            }
-                        }
+                        index = orders.IndexOf(view.DisplayParentId.ToString("N", CultureInfo.InvariantCulture));
                     }
 
                     return index == -1 ? int.MaxValue : index;
diff --git a/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs b/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs
index b584cc649..d06cda177 100644
--- a/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs
+++ b/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs
@@ -28,10 +28,11 @@ namespace Emby.Server.Implementations.Library.Validators
         private readonly IItemRepository _itemRepo;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="ArtistsPostScanTask" /> class.
+        /// Initializes a new instance of the <see cref="ArtistsValidator" /> class.
         /// </summary>
         /// <param name="libraryManager">The library manager.</param>
         /// <param name="logger">The logger.</param>
+        /// <param name="itemRepo">The item repository.</param>
         public ArtistsValidator(ILibraryManager libraryManager, ILogger logger, IItemRepository itemRepo)
         {
             _libraryManager = libraryManager;
diff --git a/Emby.Server.Implementations/Library/Validators/GenresPostScanTask.cs b/Emby.Server.Implementations/Library/Validators/GenresPostScanTask.cs
index 056807300..3bc5c2fb2 100644
--- a/Emby.Server.Implementations/Library/Validators/GenresPostScanTask.cs
+++ b/Emby.Server.Implementations/Library/Validators/GenresPostScanTask.cs
@@ -10,17 +10,18 @@ namespace Emby.Server.Implementations.Library.Validators
     public class GenresPostScanTask : ILibraryPostScanTask
     {
         /// <summary>
-        /// The _library manager
+        /// The _library manager.
         /// </summary>
         private readonly ILibraryManager _libraryManager;
         private readonly ILogger _logger;
         private readonly IItemRepository _itemRepo;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="ArtistsPostScanTask" /> class.
+        /// Initializes a new instance of the <see cref="GenresPostScanTask" /> class.
         /// </summary>
         /// <param name="libraryManager">The library manager.</param>
         /// <param name="logger">The logger.</param>
+        /// <param name="itemRepo">The item repository.</param>
         public GenresPostScanTask(ILibraryManager libraryManager, ILogger logger, IItemRepository itemRepo)
         {
             _libraryManager = libraryManager;
diff --git a/Emby.Server.Implementations/Library/Validators/MusicGenresPostScanTask.cs b/Emby.Server.Implementations/Library/Validators/MusicGenresPostScanTask.cs
index d7ab92d30..9ac4bf761 100644
--- a/Emby.Server.Implementations/Library/Validators/MusicGenresPostScanTask.cs
+++ b/Emby.Server.Implementations/Library/Validators/MusicGenresPostScanTask.cs
@@ -20,10 +20,11 @@ namespace Emby.Server.Implementations.Library.Validators
         private readonly IItemRepository _itemRepo;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="ArtistsPostScanTask" /> class.
+        /// Initializes a new instance of the <see cref="MusicGenresPostScanTask" /> class.
         /// </summary>
         /// <param name="libraryManager">The library manager.</param>
         /// <param name="logger">The logger.</param>
+        /// <param name="itemRepo">The item repository.</param>
         public MusicGenresPostScanTask(ILibraryManager libraryManager, ILogger logger, IItemRepository itemRepo)
         {
             _libraryManager = libraryManager;
diff --git a/Emby.Server.Implementations/Library/Validators/PeopleValidator.cs b/Emby.Server.Implementations/Library/Validators/PeopleValidator.cs
index d00c6cde1..137a010ec 100644
--- a/Emby.Server.Implementations/Library/Validators/PeopleValidator.cs
+++ b/Emby.Server.Implementations/Library/Validators/PeopleValidator.cs
@@ -11,16 +11,17 @@ using Microsoft.Extensions.Logging;
 namespace Emby.Server.Implementations.Library.Validators
 {
     /// <summary>
-    /// Class PeopleValidator
+    /// Class PeopleValidator.
     /// </summary>
     public class PeopleValidator
     {
         /// <summary>
-        /// The _library manager
+        /// The _library manager.
         /// </summary>
         private readonly ILibraryManager _libraryManager;
+
         /// <summary>
-        /// The _logger
+        /// The _logger.
         /// </summary>
         private readonly ILogger _logger;
 
@@ -62,7 +63,7 @@ namespace Emby.Server.Implementations.Library.Validators
                 {
                     var item = _libraryManager.GetPerson(person);
 
-                    var options = new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+                    var options = new MetadataRefreshOptions(new DirectoryService(_fileSystem))
                     {
                         ImageRefreshMode = MetadataRefreshMode.ValidationOnly,
                         MetadataRefreshMode = MetadataRefreshMode.ValidationOnly
@@ -96,12 +97,19 @@ namespace Emby.Server.Implementations.Library.Validators
 
             foreach (var item in deadEntities)
             {
-                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N", CultureInfo.InvariantCulture), item.Name, item.GetType().Name);
-
-                _libraryManager.DeleteItem(item, new DeleteOptions
-                {
-                    DeleteFileLocation = false
-                }, false);
+                _logger.LogInformation(
+                    "Deleting dead {2} {0} {1}.",
+                    item.Id.ToString("N", CultureInfo.InvariantCulture),
+                    item.Name,
+                    item.GetType().Name);
+
+                _libraryManager.DeleteItem(
+                    item,
+                    new DeleteOptions
+                    {
+                        DeleteFileLocation = false
+                    },
+                    false);
             }
 
             progress.Report(100);
diff --git a/Emby.Server.Implementations/Library/Validators/StudiosPostScanTask.cs b/Emby.Server.Implementations/Library/Validators/StudiosPostScanTask.cs
index 4aa5c7e72..2efae0fe4 100644
--- a/Emby.Server.Implementations/Library/Validators/StudiosPostScanTask.cs
+++ b/Emby.Server.Implementations/Library/Validators/StudiosPostScanTask.cs
@@ -21,9 +21,11 @@ namespace Emby.Server.Implementations.Library.Validators
         private readonly IItemRepository _itemRepo;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="ArtistsPostScanTask" /> class.
+        /// Initializes a new instance of the <see cref="StudiosPostScanTask" /> class.
         /// </summary>
         /// <param name="libraryManager">The library manager.</param>
+        /// <param name="logger">The logger.</param>
+        /// <param name="itemRepo">Th item repository.</param>
         public StudiosPostScanTask(ILibraryManager libraryManager, ILogger logger, IItemRepository itemRepo)
         {
             _libraryManager = libraryManager;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
index 7b0cd4022..3b6bfce6a 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
@@ -237,7 +237,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
             if (requiresRefresh)
             {
-                await _libraryManager.ValidateMediaLibrary(new SimpleProgress<double>(), CancellationToken.None);
+                await _libraryManager.ValidateMediaLibrary(new SimpleProgress<double>(), CancellationToken.None).ConfigureAwait(false);
             }
         }
 
@@ -1489,16 +1489,18 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             {
                 _logger.LogInformation("Refreshing recording parent {path}", item.Path);
 
-                _providerManager.QueueRefresh(item.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
-                {
-                    RefreshPaths = new string[]
+                _providerManager.QueueRefresh(
+                    item.Id,
+                    new MetadataRefreshOptions(new DirectoryService(_fileSystem))
                     {
-                        path,
-                        Path.GetDirectoryName(path),
-                        Path.GetDirectoryName(Path.GetDirectoryName(path))
-                    }
-
-                }, RefreshPriority.High);
+                        RefreshPaths = new string[]
+                        {
+                            path,
+                            Path.GetDirectoryName(path),
+                            Path.GetDirectoryName(Path.GetDirectoryName(path))
+                        }
+                    },
+                    RefreshPriority.High);
             }
         }
 
diff --git a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
index 9a4c91d0b..838ac97d7 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
@@ -501,7 +501,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
         public async Task<List<NameIdPair>> GetHeadends(ListingsProviderInfo info, string country, string location, CancellationToken cancellationToken)
         {
-            var token = await GetToken(info, cancellationToken);
+            var token = await GetToken(info, cancellationToken).ConfigureAwait(false);
 
             var lineups = new List<NameIdPair>();
 
@@ -713,7 +713,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
         private async Task AddLineupToAccount(ListingsProviderInfo info, CancellationToken cancellationToken)
         {
-            var token = await GetToken(info, cancellationToken);
+            var token = await GetToken(info, cancellationToken).ConfigureAwait(false);
 
             if (string.IsNullOrEmpty(token))
             {
@@ -738,7 +738,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
             httpOptions.RequestHeaders["token"] = token;
 
-            using (await _httpClient.SendAsync(httpOptions, "PUT"))
+            using (await _httpClient.SendAsync(httpOptions, "PUT").ConfigureAwait(false))
             {
             }
         }
@@ -750,7 +750,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
                 throw new ArgumentException("Listings Id required");
             }
 
-            var token = await GetToken(info, cancellationToken);
+            var token = await GetToken(info, cancellationToken).ConfigureAwait(false);
 
             if (string.IsNullOrEmpty(token))
             {
@@ -833,7 +833,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
                 throw new Exception("ListingsId required");
             }
 
-            var token = await GetToken(info, cancellationToken);
+            var token = await GetToken(info, cancellationToken).ConfigureAwait(false);
 
             if (string.IsNullOrEmpty(token))
             {
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
index c2350684b..2ecf4e184 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
@@ -1226,12 +1226,13 @@ namespace Emby.Server.Implementations.LiveTv
                         currentChannel.AddTag("Kids");
                     }
 
-                    //currentChannel.UpdateToRepository(ItemUpdateType.MetadataImport, cancellationToken);
-                    await currentChannel.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
-                    {
-                        ForceSave = true
-
-                    }, cancellationToken).ConfigureAwait(false);
+                    currentChannel.UpdateToRepository(ItemUpdateType.MetadataImport, cancellationToken);
+                    await currentChannel.RefreshMetadata(
+                        new MetadataRefreshOptions(new DirectoryService(_fileSystem))
+                        {
+                            ForceSave = true
+                        },
+                        cancellationToken).ConfigureAwait(false);
                 }
                 catch (OperationCanceledException)
                 {
@@ -1245,7 +1246,7 @@ namespace Emby.Server.Implementations.LiveTv
                 numComplete++;
                 double percent = numComplete / (double)allChannelsList.Count;
 
-                progress.Report(85 * percent + 15);
+                progress.Report((85 * percent) + 15);
             }
 
             progress.Report(100);
@@ -1278,12 +1279,14 @@ namespace Emby.Server.Implementations.LiveTv
 
                     if (item != null)
                     {
-                        _libraryManager.DeleteItem(item, new DeleteOptions
-                        {
-                            DeleteFileLocation = false,
-                            DeleteFromExternalProvider = false
-
-                        }, false);
+                        _libraryManager.DeleteItem(
+                            item,
+                            new DeleteOptions
+                            {
+                                DeleteFileLocation = false,
+                                DeleteFromExternalProvider = false
+                            },
+                            false);
                     }
                 }
 
@@ -2301,8 +2304,10 @@ namespace Emby.Server.Implementations.LiveTv
             if (provider == null)
             {
                 throw new ResourceNotFoundException(
-                    string.Format("Couldn't find provider of type: '{0}'", info.Type)
-                );
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "Couldn't find provider of type: '{0}'",
+                        info.Type));
             }
 
             await provider.Validate(info, validateLogin, validateListings).ConfigureAwait(false);
diff --git a/Emby.Server.Implementations/LiveTv/RefreshChannelsScheduledTask.cs b/Emby.Server.Implementations/LiveTv/RefreshChannelsScheduledTask.cs
index 542951de4..1056a33b9 100644
--- a/Emby.Server.Implementations/LiveTv/RefreshChannelsScheduledTask.cs
+++ b/Emby.Server.Implementations/LiveTv/RefreshChannelsScheduledTask.cs
@@ -38,8 +38,8 @@ namespace Emby.Server.Implementations.LiveTv
         /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
         public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
         {
-            return new[] {
-
+            return new[]
+            {
                 // Every so often
                 new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks}
             };
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
index da98f3e58..06f27fa3e 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
@@ -185,7 +185,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 Url = string.Format("{0}/tuners.html", GetApiUrl(info)),
                 CancellationToken = cancellationToken,
                 BufferContent = false
-            }, HttpMethod.Get))
+            }, HttpMethod.Get).ConfigureAwait(false))
             using (var stream = response.Content)
             using (var sr = new StreamReader(stream, System.Text.Encoding.UTF8))
             {
@@ -259,7 +259,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 for (int i = 0; i < model.TunerCount; ++i)
                 {
                     var name = string.Format("Tuner {0}", i + 1);
-                    var currentChannel = "none"; /// @todo Get current channel and map back to Station Id
+                    var currentChannel = "none"; // @todo Get current channel and map back to Station Id
                     var isAvailable = await manager.CheckTunerAvailability(ipInfo, i, cancellationToken).ConfigureAwait(false);
                     var status = isAvailable ? LiveTvTunerStatus.Available : LiveTvTunerStatus.LiveTv;
                     tuners.Add(new LiveTvTunerInfo
@@ -298,7 +298,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         public async Task<List<LiveTvTunerInfo>> GetTunerInfos(TunerHostInfo info, CancellationToken cancellationToken)
         {
             // TODO Need faster way to determine UDP vs HTTP
-            var channels = await GetChannels(info, true, cancellationToken);
+            var channels = await GetChannels(info, true, cancellationToken).ConfigureAwait(false);
 
             var hdHomerunChannelInfo = channels.FirstOrDefault() as HdHomerunChannelInfo;
 
@@ -582,11 +582,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     modelInfo.TunerCount,
                     FileSystem,
                     Logger,
-                    Config.ApplicationPaths,
+                    Config,
                     _appHost,
                     _networkManager,
                     _streamHelper);
-
             }
 
             var enableHttpStream = true;
@@ -611,7 +610,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     FileSystem,
                     _httpClient,
                     Logger,
-                    Config.ApplicationPaths,
+                    Config,
                     _appHost,
                     _streamHelper);
             }
@@ -624,7 +623,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 modelInfo.TunerCount,
                 FileSystem,
                 Logger,
-                Config.ApplicationPaths,
+                Config,
                 _appHost,
                 _networkManager,
                 _streamHelper);
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
index eafa86d54..649becbd3 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
@@ -6,6 +6,7 @@ using System.Net.Sockets;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Net;
+using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Model.Dto;
@@ -33,11 +34,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             int numTuners,
             IFileSystem fileSystem,
             ILogger logger,
-            IServerApplicationPaths appPaths,
+            IConfigurationManager configurationManager,
             IServerApplicationHost appHost,
             INetworkManager networkManager,
             IStreamHelper streamHelper)
-            : base(mediaSource, tunerHostInfo, fileSystem, logger, appPaths, streamHelper)
+            : base(mediaSource, tunerHostInfo, fileSystem, logger, configurationManager, streamHelper)
         {
             _appHost = appHost;
             _networkManager = networkManager;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
index d12c96392..1d55e7992 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
@@ -5,8 +5,8 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Controller;
 using MediaBrowser.Controller.Library;
+using MediaBrowser.Common.Configuration;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.LiveTv;
@@ -16,8 +16,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 {
     public class LiveStream : ILiveStream
     {
+        private readonly IConfigurationManager _configurationManager;
+
         protected readonly IFileSystem FileSystem;
-        protected readonly IServerApplicationPaths AppPaths;
+
         protected readonly IStreamHelper StreamHelper;
 
         protected string TempFilePath;
@@ -29,7 +31,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             TunerHostInfo tuner,
             IFileSystem fileSystem,
             ILogger logger,
-            IServerApplicationPaths appPaths,
+            IConfigurationManager configurationManager,
             IStreamHelper streamHelper)
         {
             OriginalMediaSource = mediaSource;
@@ -44,7 +46,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                 TunerHostId = tuner.Id;
             }
 
-            AppPaths = appPaths;
+            _configurationManager = configurationManager;
             StreamHelper = streamHelper;
 
             ConsumerCount = 1;
@@ -68,7 +70,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         protected void SetTempFilePath(string extension)
         {
-            TempFilePath = Path.Combine(AppPaths.GetTranscodingTempPath(), UniqueId + "." + extension);
+            TempFilePath = Path.Combine(_configurationManager.GetTranscodePath(), UniqueId + "." + extension);
         }
 
         public virtual Task Open(CancellationToken openCancellationToken)
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
index a02a9ade4..df054f1eb 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
@@ -114,11 +114,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
                 if (!_disallowedSharedStreamExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
                 {
-                    return new SharedHttpStream(mediaSource, info, streamId, FileSystem, _httpClient, Logger, Config.ApplicationPaths, _appHost, _streamHelper);
+                    return new SharedHttpStream(mediaSource, info, streamId, FileSystem, _httpClient, Logger, Config, _appHost, _streamHelper);
                 }
             }
 
-            return new LiveStream(mediaSource, info, FileSystem, Logger, Config.ApplicationPaths, _streamHelper);
+            return new LiveStream(mediaSource, info, FileSystem, Logger, Config, _streamHelper);
         }
 
         public async Task Validate(TunerHostInfo info)
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
index c6e894560..758495362 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Library;
@@ -26,10 +27,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             IFileSystem fileSystem,
             IHttpClient httpClient,
             ILogger logger,
-            IServerApplicationPaths appPaths,
+            IConfigurationManager configurationManager,
             IServerApplicationHost appHost,
             IStreamHelper streamHelper)
-            : base(mediaSource, tunerHostInfo, fileSystem, logger, appPaths, streamHelper)
+            : base(mediaSource, tunerHostInfo, fileSystem, logger, configurationManager, streamHelper)
         {
             _httpClient = httpClient;
             _appHost = appHost;
diff --git a/Emby.Server.Implementations/Localization/Core/af.json b/Emby.Server.Implementations/Localization/Core/af.json
new file mode 100644
index 000000000..dcec26801
--- /dev/null
+++ b/Emby.Server.Implementations/Localization/Core/af.json
@@ -0,0 +1,96 @@
+{
+    "Artists": "Kunstenare",
+    "Channels": "Kanale",
+    "Folders": "Fouers",
+    "Favorites": "Gunstelinge",
+    "HeaderFavoriteShows": "Gunsteling Vertonings",
+    "ValueSpecialEpisodeName": "Spesiaal - {0}",
+    "HeaderAlbumArtists": "Album Kunstenaars",
+    "Books": "Boeke",
+    "HeaderNextUp": "Volgende",
+    "Movies": "Rolprente",
+    "Shows": "Program",
+    "HeaderContinueWatching": "Hou Aan Kyk",
+    "HeaderFavoriteEpisodes": "Gunsteling Episodes",
+    "Photos": "Fotos",
+    "Playlists": "Speellysse",
+    "HeaderFavoriteArtists": "Gunsteling Kunstenaars",
+    "HeaderFavoriteAlbums": "Gunsteling Albums",
+    "Sync": "Sinkroniseer",
+    "HeaderFavoriteSongs": "Gunsteling Liedjies",
+    "Songs": "Liedjies",
+    "DeviceOnlineWithName": "{0} is verbind",
+    "DeviceOfflineWithName": "{0} het afgesluit",
+    "Collections": "Versamelings",
+    "Inherit": "Ontvang",
+    "HeaderLiveTV": "Live TV",
+    "Application": "Program",
+    "AppDeviceValues": "App: {0}, Toestel: {1}",
+    "VersionNumber": "Weergawe {0}",
+    "ValueHasBeenAddedToLibrary": "{0} is by jou media biblioteek bygevoeg",
+    "UserStoppedPlayingItemWithValues": "{0} het klaar {1} op {2} gespeel",
+    "UserStartedPlayingItemWithValues": "{0} is besig om {1} op {2} te speel",
+    "UserPolicyUpdatedWithName": "Gebruiker beleid is verander vir {0}",
+    "UserPasswordChangedWithName": "Gebruiker {0} se wagwoord is verander",
+    "UserOnlineFromDevice": "{0} is aanlyn van {1}",
+    "UserOfflineFromDevice": "{0} is ontkoppel van {1}",
+    "UserLockedOutWithName": "Gebruiker {0} is uitgesluit",
+    "UserDownloadingItemWithValues": "{0} is besig om {1} af te laai",
+    "UserDeletedWithName": "Gebruiker {0} is verwyder",
+    "UserCreatedWithName": "Gebruiker {0} is geskep",
+    "User": "Gebruiker",
+    "TvShows": "TV Programme",
+    "System": "Stelsel",
+    "SubtitlesDownloadedForItem": "Ondertitels afgelaai vir {0}",
+    "SubtitleDownloadFailureFromForItem": "Ondertitels het misluk om af te laai van {0} vir {1}",
+    "StartupEmbyServerIsLoading": "Jellyfin Bediener is besig om te laai. Probeer weer in 'n kort tyd.",
+    "ServerNameNeedsToBeRestarted": "{0} moet herbegin word",
+    "ScheduledTaskStartedWithName": "{0} het begin",
+    "ScheduledTaskFailedWithName": "{0} het misluk",
+    "ProviderValue": "Voorsiener: {0}",
+    "PluginUpdatedWithName": "{0} was opgedateer",
+    "PluginUninstalledWithName": "{0} was verwyder",
+    "PluginInstalledWithName": "{0} is geïnstalleer",
+    "Plugin": "Inprop module",
+    "NotificationOptionVideoPlaybackStopped": "Video terugspeel het gestop",
+    "NotificationOptionVideoPlayback": "Video terugspeel het begin",
+    "NotificationOptionUserLockedOut": "Gebruiker uitgeslyt",
+    "NotificationOptionTaskFailed": "Geskeduleerde taak het misluk",
+    "NotificationOptionServerRestartRequired": "Bediener herbegin nodig",
+    "NotificationOptionPluginUpdateInstalled": "Nuwe inprop module geïnstalleer",
+    "NotificationOptionPluginUninstalled": "Inprop module verwyder",
+    "NotificationOptionPluginInstalled": "Inprop module geïnstalleer",
+    "NotificationOptionPluginError": "Inprop module het misluk",
+    "NotificationOptionNewLibraryContent": "Nuwe inhoud bygevoeg",
+    "NotificationOptionInstallationFailed": "Installering het misluk",
+    "NotificationOptionCameraImageUploaded": "Kamera foto is opgelaai",
+    "NotificationOptionAudioPlaybackStopped": "Oudio terugspeel het gestop",
+    "NotificationOptionAudioPlayback": "Oudio terugspeel het begin",
+    "NotificationOptionApplicationUpdateInstalled": "Nuwe program weergawe geïnstalleer",
+    "NotificationOptionApplicationUpdateAvailable": "Nuwe program weergawe beskikbaar",
+    "NewVersionIsAvailable": "'n Nuwe Jellyfin Bedienaar weergawe kan afgelaai word.",
+    "NameSeasonUnknown": "Seisoen Onbekend",
+    "NameSeasonNumber": "Seisoen {0}",
+    "NameInstallFailed": "{0} installering het misluk",
+    "MusicVideos": "Musiek videos",
+    "Music": "Musiek",
+    "MixedContent": "Gemengde inhoud",
+    "MessageServerConfigurationUpdated": "Bediener konfigurasie is opgedateer",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Bediener konfigurasie seksie {0} is opgedateer",
+    "MessageApplicationUpdatedTo": "Jellyfin Bediener is opgedateer na {0}",
+    "MessageApplicationUpdated": "Jellyfin Bediener is opgedateer",
+    "Latest": "Nuutste",
+    "LabelRunningTimeValue": "Lopende tyd: {0}",
+    "LabelIpAddressValue": "IP adres: {0}",
+    "ItemRemovedWithName": "{0} is uit versameling verwyder",
+    "ItemAddedWithName": "{0} is in die versameling",
+    "HomeVideos": "Tuis opnames",
+    "HeaderRecordingGroups": "Groep Opnames",
+    "HeaderCameraUploads": "Kamera Oplaai",
+    "Genres": "Genres",
+    "FailedLoginAttemptWithUserName": "Mislukte aansluiting van {0}",
+    "ChapterNameValue": "Hoofstuk",
+    "CameraImageUploadedFrom": "'n Nuwe kamera photo opgelaai van {0}",
+    "AuthenticationSucceededWithUserName": "{0} suksesvol geverifieer",
+    "Albums": "Albums"
+}
diff --git a/Emby.Server.Implementations/Localization/Core/bg-BG.json b/Emby.Server.Implementations/Localization/Core/bg-BG.json
index a71dc9346..bfe32a6c2 100644
--- a/Emby.Server.Implementations/Localization/Core/bg-BG.json
+++ b/Emby.Server.Implementations/Localization/Core/bg-BG.json
@@ -1,22 +1,22 @@
 {
     "Albums": "Албуми",
-    "AppDeviceValues": "Програма: {0}, Устройство: {1}",
+    "AppDeviceValues": "Програма: {0}, устройство: {1}",
     "Application": "Програма",
     "Artists": "Изпълнители",
     "AuthenticationSucceededWithUserName": "{0} се удостовери успешно",
     "Books": "Книги",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
+    "CameraImageUploadedFrom": "",
     "Channels": "Канали",
     "ChapterNameValue": "Глава {0}",
     "Collections": "Колекции",
     "DeviceOfflineWithName": "{0} се разкачи",
     "DeviceOnlineWithName": "{0} е свързан",
-    "FailedLoginAttemptWithUserName": "Failed login attempt from {0}",
+    "FailedLoginAttemptWithUserName": "",
     "Favorites": "Любими",
     "Folders": "Папки",
     "Genres": "Жанрове",
     "HeaderAlbumArtists": "Изпълнители на албуми",
-    "HeaderCameraUploads": "Camera Uploads",
+    "HeaderCameraUploads": "",
     "HeaderContinueWatching": "Продължаване на гледането",
     "HeaderFavoriteAlbums": "Любими албуми",
     "HeaderFavoriteArtists": "Любими изпълнители",
@@ -25,26 +25,26 @@
     "HeaderFavoriteSongs": "Любими песни",
     "HeaderLiveTV": "Телевизия на живо",
     "HeaderNextUp": "Следва",
-    "HeaderRecordingGroups": "Recording Groups",
+    "HeaderRecordingGroups": "",
     "HomeVideos": "Домашни клипове",
     "Inherit": "Наследяване",
     "ItemAddedWithName": "{0} е добавено към библиотеката",
     "ItemRemovedWithName": "{0} е премахнато от библиотеката",
     "LabelIpAddressValue": "ИП адрес: {0}",
-    "LabelRunningTimeValue": "Running time: {0}",
+    "LabelRunningTimeValue": "",
     "Latest": "Последни",
     "MessageApplicationUpdated": "Сървърът е обновен",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Server configuration section {0} has been updated",
-    "MessageServerConfigurationUpdated": "Server configuration has been updated",
+    "MessageApplicationUpdatedTo": "",
+    "MessageNamedServerConfigurationUpdatedWithValue": "",
+    "MessageServerConfigurationUpdated": "",
     "MixedContent": "Смесено съдържание",
     "Movies": "Филми",
     "Music": "Музика",
     "MusicVideos": "Музикални клипове",
-    "NameInstallFailed": "{0} installation failed",
+    "NameInstallFailed": "",
     "NameSeasonNumber": "Сезон {0}",
-    "NameSeasonUnknown": "Season Unknown",
-    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
+    "NameSeasonUnknown": "Неразпознат сезон",
+    "NewVersionIsAvailable": "",
     "NotificationOptionApplicationUpdateAvailable": "Налично е обновление на програмата",
     "NotificationOptionApplicationUpdateInstalled": "Обновлението на програмата е инсталирано",
     "NotificationOptionAudioPlayback": "Възпроизвеждането на звук започна",
@@ -58,7 +58,7 @@
     "NotificationOptionPluginUpdateInstalled": "Обновлението на приставката е инсталирано",
     "NotificationOptionServerRestartRequired": "Нужно е повторно пускане на сървъра",
     "NotificationOptionTaskFailed": "Грешка в планирана задача",
-    "NotificationOptionUserLockedOut": "User locked out",
+    "NotificationOptionUserLockedOut": "",
     "NotificationOptionVideoPlayback": "Възпроизвеждането на видео започна",
     "NotificationOptionVideoPlaybackStopped": "Възпроизвеждането на видео е спряно",
     "Photos": "Снимки",
@@ -70,12 +70,12 @@
     "ProviderValue": "Доставчик: {0}",
     "ScheduledTaskFailedWithName": "{0} се провали",
     "ScheduledTaskStartedWithName": "{0} започна",
-    "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
+    "ServerNameNeedsToBeRestarted": "",
     "Shows": "Сериали",
     "Songs": "Песни",
     "StartupEmbyServerIsLoading": "Сървърът зарежда. Моля, опитайте отново след малко.",
     "SubtitleDownloadFailureForItem": "Неуспешно изтегляне на субтитри за {0}",
-    "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
+    "SubtitleDownloadFailureFromForItem": "",
     "SubtitlesDownloadedForItem": "Изтеглени са субтитри за {0}",
     "Sync": "Синхронизиране",
     "System": "Система",
@@ -83,15 +83,15 @@
     "User": "Потребител",
     "UserCreatedWithName": "Потребителят {0} е създаден",
     "UserDeletedWithName": "Потребителят {0} е изтрит",
-    "UserDownloadingItemWithValues": "{0} is downloading {1}",
-    "UserLockedOutWithName": "User {0} has been locked out",
+    "UserDownloadingItemWithValues": "",
+    "UserLockedOutWithName": "",
     "UserOfflineFromDevice": "{0} се разкачи от {1}",
     "UserOnlineFromDevice": "{0} е на линия от {1}",
     "UserPasswordChangedWithName": "Паролата на потребителя {0} е променена",
-    "UserPolicyUpdatedWithName": "User policy has been updated for {0}",
+    "UserPolicyUpdatedWithName": "",
     "UserStartedPlayingItemWithValues": "{0} пусна {1}",
     "UserStoppedPlayingItemWithValues": "{0} спря {1}",
-    "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
+    "ValueHasBeenAddedToLibrary": "",
     "ValueSpecialEpisodeName": "Специални - {0}",
     "VersionNumber": "Версия {0}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/cs.json b/Emby.Server.Implementations/Localization/Core/cs.json
index c19148921..86fbac380 100644
--- a/Emby.Server.Implementations/Localization/Core/cs.json
+++ b/Emby.Server.Implementations/Localization/Core/cs.json
@@ -23,7 +23,7 @@
     "HeaderFavoriteEpisodes": "Oblíbené epizody",
     "HeaderFavoriteShows": "Oblíbené seriály",
     "HeaderFavoriteSongs": "Oblíbená hudba",
-    "HeaderLiveTV": "Live TV",
+    "HeaderLiveTV": "Živá TV",
     "HeaderNextUp": "Nadcházející",
     "HeaderRecordingGroups": "Skupiny nahrávek",
     "HomeVideos": "Domáci videa",
diff --git a/Emby.Server.Implementations/Localization/Core/de.json b/Emby.Server.Implementations/Localization/Core/de.json
index 0db201769..019736c47 100644
--- a/Emby.Server.Implementations/Localization/Core/de.json
+++ b/Emby.Server.Implementations/Localization/Core/de.json
@@ -3,14 +3,14 @@
     "AppDeviceValues": "App: {0}, Gerät: {1}",
     "Application": "Anwendung",
     "Artists": "Interpreten",
-    "AuthenticationSucceededWithUserName": "{0} hat sich angemeldet",
+    "AuthenticationSucceededWithUserName": "{0} hat sich erfolgreich angemeldet",
     "Books": "Bücher",
     "CameraImageUploadedFrom": "Ein neues Foto wurde hochgeladen von {0}",
     "Channels": "Kanäle",
     "ChapterNameValue": "Kapitel {0}",
     "Collections": "Sammlungen",
     "DeviceOfflineWithName": "{0} wurde getrennt",
-    "DeviceOnlineWithName": "{0} hat sich verbunden",
+    "DeviceOnlineWithName": "{0} ist verbunden",
     "FailedLoginAttemptWithUserName": "Fehlgeschlagener Anmeldeversuch von {0}",
     "Favorites": "Favoriten",
     "Folders": "Verzeichnisse",
@@ -23,7 +23,7 @@
     "HeaderFavoriteEpisodes": "Lieblingsepisoden",
     "HeaderFavoriteShows": "Lieblingsserien",
     "HeaderFavoriteSongs": "Lieblingslieder",
-    "HeaderLiveTV": "Live-TV",
+    "HeaderLiveTV": "Live TV",
     "HeaderNextUp": "Als Nächstes",
     "HeaderRecordingGroups": "Aufnahme-Gruppen",
     "HomeVideos": "Heimvideos",
@@ -35,7 +35,7 @@
     "Latest": "Neueste",
     "MessageApplicationUpdated": "Jellyfin-Server wurde aktualisiert",
     "MessageApplicationUpdatedTo": "Jellyfin-Server wurde auf Version {0} aktualisiert",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Der Server Einstellungsbereich {0} wurde aktualisiert",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Der Server-Einstellungsbereich {0} wurde aktualisiert",
     "MessageServerConfigurationUpdated": "Servereinstellungen wurden aktualisiert",
     "MixedContent": "Gemischte Inhalte",
     "Movies": "Filme",
diff --git a/Emby.Server.Implementations/Localization/Core/fr.json b/Emby.Server.Implementations/Localization/Core/fr.json
index 6bfedb712..9805992be 100644
--- a/Emby.Server.Implementations/Localization/Core/fr.json
+++ b/Emby.Server.Implementations/Localization/Core/fr.json
@@ -5,7 +5,7 @@
     "Artists": "Artistes",
     "AuthenticationSucceededWithUserName": "{0} s'est authentifié avec succès",
     "Books": "Livres",
-    "CameraImageUploadedFrom": "Une image de caméra a été chargée depuis {0}",
+    "CameraImageUploadedFrom": "Une nouvelle image de caméra a été chargée depuis {0}",
     "Channels": "Chaînes",
     "ChapterNameValue": "Chapitre {0}",
     "Collections": "Collections",
@@ -17,7 +17,7 @@
     "Genres": "Genres",
     "HeaderAlbumArtists": "Artistes de l'album",
     "HeaderCameraUploads": "Photos transférées",
-    "HeaderContinueWatching": "Reprendre",
+    "HeaderContinueWatching": "Continuer à regarder",
     "HeaderFavoriteAlbums": "Albums favoris",
     "HeaderFavoriteArtists": "Artistes favoris",
     "HeaderFavoriteEpisodes": "Épisodes favoris",
@@ -34,14 +34,14 @@
     "LabelRunningTimeValue": "Durée : {0}",
     "Latest": "Derniers",
     "MessageApplicationUpdated": "Le serveur Jellyfin a été mis à jour",
-    "MessageApplicationUpdatedTo": "Jellyfin Serveur a été mis à jour en version {0}",
+    "MessageApplicationUpdatedTo": "Le serveur Jellyfin a été mis à jour vers {0}",
     "MessageNamedServerConfigurationUpdatedWithValue": "La configuration de la section {0} du serveur a été mise à jour",
     "MessageServerConfigurationUpdated": "La configuration du serveur a été mise à jour",
     "MixedContent": "Contenu mixte",
     "Movies": "Films",
     "Music": "Musique",
     "MusicVideos": "Vidéos musicales",
-    "NameInstallFailed": "{0} échec d'installation",
+    "NameInstallFailed": "{0} échec de l'installation",
     "NameSeasonNumber": "Saison {0}",
     "NameSeasonUnknown": "Saison Inconnue",
     "NewVersionIsAvailable": "Une nouvelle version de Jellyfin Serveur est disponible au téléchargement.",
@@ -50,7 +50,7 @@
     "NotificationOptionAudioPlayback": "Lecture audio démarrée",
     "NotificationOptionAudioPlaybackStopped": "Lecture audio arrêtée",
     "NotificationOptionCameraImageUploaded": "L'image de l'appareil photo a été transférée",
-    "NotificationOptionInstallationFailed": "Échec d'installation",
+    "NotificationOptionInstallationFailed": "Échec de l'installation",
     "NotificationOptionNewLibraryContent": "Nouveau contenu ajouté",
     "NotificationOptionPluginError": "Erreur d'extension",
     "NotificationOptionPluginInstalled": "Extension installée",
@@ -91,7 +91,7 @@
     "UserPolicyUpdatedWithName": "La politique de l'utilisateur a été mise à jour pour {0}",
     "UserStartedPlayingItemWithValues": "{0} est en train de lire {1} sur {2}",
     "UserStoppedPlayingItemWithValues": "{0} vient d'arrêter la lecture de {1} sur {2}",
-    "ValueHasBeenAddedToLibrary": "{0} a été ajouté à votre librairie",
+    "ValueHasBeenAddedToLibrary": "{0} a été ajouté à votre médiathèque",
     "ValueSpecialEpisodeName": "Spécial - {0}",
     "VersionNumber": "Version {0}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/he.json b/Emby.Server.Implementations/Localization/Core/he.json
index 0ed998c4b..b08c8966e 100644
--- a/Emby.Server.Implementations/Localization/Core/he.json
+++ b/Emby.Server.Implementations/Localization/Core/he.json
@@ -1,41 +1,41 @@
 {
     "Albums": "אלבומים",
-    "AppDeviceValues": "App: {0}, Device: {1}",
+    "AppDeviceValues": "יישום: {0}, מכשיר: {1}",
     "Application": "אפליקציה",
     "Artists": "אמנים",
-    "AuthenticationSucceededWithUserName": "{0} successfully authenticated",
+    "AuthenticationSucceededWithUserName": "{0} זוהה בהצלחה",
     "Books": "ספרים",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
-    "Channels": "Channels",
-    "ChapterNameValue": "Chapter {0}",
-    "Collections": "Collections",
-    "DeviceOfflineWithName": "{0} has disconnected",
-    "DeviceOnlineWithName": "{0} is connected",
-    "FailedLoginAttemptWithUserName": "Failed login attempt from {0}",
-    "Favorites": "Favorites",
-    "Folders": "Folders",
+    "CameraImageUploadedFrom": "תמונה חדשה הועלתה מ{0}",
+    "Channels": "ערוצים",
+    "ChapterNameValue": "פרק {0}",
+    "Collections": "קולקציות",
+    "DeviceOfflineWithName": "{0} התנתק",
+    "DeviceOnlineWithName": "{0} מחובר",
+    "FailedLoginAttemptWithUserName": "ניסיון כניסה שגוי מ{0}",
+    "Favorites": "אהובים",
+    "Folders": "תיקיות",
     "Genres": "ז'אנרים",
-    "HeaderAlbumArtists": "Album Artists",
-    "HeaderCameraUploads": "Camera Uploads",
-    "HeaderContinueWatching": "המשך בצפייה",
-    "HeaderFavoriteAlbums": "Favorite Albums",
-    "HeaderFavoriteArtists": "Favorite Artists",
-    "HeaderFavoriteEpisodes": "Favorite Episodes",
-    "HeaderFavoriteShows": "Favorite Shows",
-    "HeaderFavoriteSongs": "Favorite Songs",
-    "HeaderLiveTV": "Live TV",
-    "HeaderNextUp": "Next Up",
+    "HeaderAlbumArtists": "אמני האלבום",
+    "HeaderCameraUploads": "העלאות ממצלמה",
+    "HeaderContinueWatching": "המשך לצפות",
+    "HeaderFavoriteAlbums": "אלבומים שאהבתי",
+    "HeaderFavoriteArtists": "אמנים שאהבתי",
+    "HeaderFavoriteEpisodes": "פרקים אהובים",
+    "HeaderFavoriteShows": "תוכניות אהובות",
+    "HeaderFavoriteSongs": "שירים שאהבתי",
+    "HeaderLiveTV": "טלוויזיה בשידור חי",
+    "HeaderNextUp": "הבא",
     "HeaderRecordingGroups": "קבוצות הקלטה",
-    "HomeVideos": "Home videos",
-    "Inherit": "Inherit",
+    "HomeVideos": "סרטונים בייתים",
+    "Inherit": "הורש",
     "ItemAddedWithName": "{0} was added to the library",
-    "ItemRemovedWithName": "{0} was removed from the library",
-    "LabelIpAddressValue": "Ip address: {0}",
-    "LabelRunningTimeValue": "Running time: {0}",
+    "ItemRemovedWithName": "{0} נמחק מהספרייה",
+    "LabelIpAddressValue": "Ip כתובת: {0}",
+    "LabelRunningTimeValue": "משך צפייה: {0}",
     "Latest": "אחרון",
-    "MessageApplicationUpdated": "Jellyfin Server has been updated",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Server configuration section {0} has been updated",
+    "MessageApplicationUpdated": "שרת הJellyfin עודכן",
+    "MessageApplicationUpdatedTo": "שרת הJellyfin עודכן לגרסא {0}",
+    "MessageNamedServerConfigurationUpdatedWithValue": "הגדרת השרת {0} שונתה",
     "MessageServerConfigurationUpdated": "Server configuration has been updated",
     "MixedContent": "תוכן מעורב",
     "Movies": "סרטים",
@@ -50,7 +50,7 @@
     "NotificationOptionAudioPlayback": "Audio playback started",
     "NotificationOptionAudioPlaybackStopped": "Audio playback stopped",
     "NotificationOptionCameraImageUploaded": "Camera image uploaded",
-    "NotificationOptionInstallationFailed": "Installation failure",
+    "NotificationOptionInstallationFailed": "התקנה נכשלה",
     "NotificationOptionNewLibraryContent": "New content added",
     "NotificationOptionPluginError": "Plugin failure",
     "NotificationOptionPluginInstalled": "Plugin installed",
diff --git a/Emby.Server.Implementations/Localization/Core/hu.json b/Emby.Server.Implementations/Localization/Core/hu.json
index a2fc126a2..3a6852321 100644
--- a/Emby.Server.Implementations/Localization/Core/hu.json
+++ b/Emby.Server.Implementations/Localization/Core/hu.json
@@ -5,7 +5,7 @@
     "Artists": "Előadók",
     "AuthenticationSucceededWithUserName": "{0} sikeresen azonosítva",
     "Books": "Könyvek",
-    "CameraImageUploadedFrom": "Új kamerakép került feltöltésre {0}",
+    "CameraImageUploadedFrom": "Új kamerakép került feltöltésre innen: {0}",
     "Channels": "Csatornák",
     "ChapterNameValue": "Jelenet {0}",
     "Collections": "Gyűjtemények",
@@ -15,14 +15,14 @@
     "Favorites": "Kedvencek",
     "Folders": "Könyvtárak",
     "Genres": "Műfajok",
-    "HeaderAlbumArtists": "Album Előadók",
+    "HeaderAlbumArtists": "Album előadók",
     "HeaderCameraUploads": "Kamera feltöltések",
     "HeaderContinueWatching": "Folyamatban lévő filmek",
-    "HeaderFavoriteAlbums": "Kedvenc Albumok",
-    "HeaderFavoriteArtists": "Kedvenc Előadók",
-    "HeaderFavoriteEpisodes": "Kedvenc Epizódok",
-    "HeaderFavoriteShows": "Kedvenc Sorozatok",
-    "HeaderFavoriteSongs": "Kedvenc Dalok",
+    "HeaderFavoriteAlbums": "Kedvenc albumok",
+    "HeaderFavoriteArtists": "Kedvenc előadók",
+    "HeaderFavoriteEpisodes": "Kedvenc epizódok",
+    "HeaderFavoriteShows": "Kedvenc sorozatok",
+    "HeaderFavoriteSongs": "Kedvenc dalok",
     "HeaderLiveTV": "Élő TV",
     "HeaderNextUp": "Következik",
     "HeaderRecordingGroups": "Felvételi csoportok",
@@ -34,21 +34,21 @@
     "LabelRunningTimeValue": "Futási idő: {0}",
     "Latest": "Legújabb",
     "MessageApplicationUpdated": "Jellyfin Szerver frissítve",
-    "MessageApplicationUpdatedTo": "Jellyfin Szerver frissítve lett a következőre {0}",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Szerver konfigurációs rész {0} frissítve",
+    "MessageApplicationUpdatedTo": "Jellyfin Szerver frissítve lett a következőre: {0}",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Szerver konfigurációs rész frissítve: {0}",
     "MessageServerConfigurationUpdated": "Szerver konfiguráció frissítve",
     "MixedContent": "Vegyes tartalom",
     "Movies": "Filmek",
     "Music": "Zene",
-    "MusicVideos": "Zenei Videók",
+    "MusicVideos": "Zenei videók",
     "NameInstallFailed": "{0} sikertelen telepítés",
     "NameSeasonNumber": "Évad {0}",
     "NameSeasonUnknown": "Ismeretlen évad",
     "NewVersionIsAvailable": "Letölthető a Jellyfin Szerver új verziója.",
-    "NotificationOptionApplicationUpdateAvailable": "Új programfrissítés érhető el",
-    "NotificationOptionApplicationUpdateInstalled": "Programfrissítés telepítve",
+    "NotificationOptionApplicationUpdateAvailable": "Frissítés érhető el az alkalmazáshoz",
+    "NotificationOptionApplicationUpdateInstalled": "Alkalmazásfrissítés telepítve",
     "NotificationOptionAudioPlayback": "Audió lejátszás elkezdve",
-    "NotificationOptionAudioPlaybackStopped": "Audió lejátszás befejezve",
+    "NotificationOptionAudioPlaybackStopped": "Audió lejátszás leállítva",
     "NotificationOptionCameraImageUploaded": "Kamera kép feltöltve",
     "NotificationOptionInstallationFailed": "Telepítési hiba",
     "NotificationOptionNewLibraryContent": "Új tartalom hozzáadva",
@@ -60,15 +60,15 @@
     "NotificationOptionTaskFailed": "Ütemezett feladat hiba",
     "NotificationOptionUserLockedOut": "Felhasználó tiltva",
     "NotificationOptionVideoPlayback": "Videó lejátszás elkezdve",
-    "NotificationOptionVideoPlaybackStopped": "Videó lejátszás befejezve",
+    "NotificationOptionVideoPlaybackStopped": "Videó lejátszás leállítva",
     "Photos": "Fényképek",
     "Playlists": "Lejátszási listák",
     "Plugin": "Bővítmény",
     "PluginInstalledWithName": "{0} telepítve",
     "PluginUninstalledWithName": "{0} eltávolítva",
     "PluginUpdatedWithName": "{0} frissítve",
-    "ProviderValue": "Provider: {0}",
-    "ScheduledTaskFailedWithName": "{0} hiba",
+    "ProviderValue": "Szolgáltató: {0}",
+    "ScheduledTaskFailedWithName": "{0} sikertelen",
     "ScheduledTaskStartedWithName": "{0} elkezdve",
     "ServerNameNeedsToBeRestarted": "{0}-t újra kell indítani",
     "Shows": "Műsorok",
@@ -76,10 +76,10 @@
     "StartupEmbyServerIsLoading": "A Jellyfin Szerver betöltődik. Kérlek próbáld újra később.",
     "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
     "SubtitleDownloadFailureFromForItem": "Nem sikerült a felirat letöltése innen:  {0} ehhez: {1}",
-    "SubtitlesDownloadedForItem": "Letöltött feliratok a következőhöz {0}",
+    "SubtitlesDownloadedForItem": "Letöltött feliratok a következőhöz: {0}",
     "Sync": "Szinkronizál",
     "System": "Rendszer",
-    "TvShows": "TV Műsorok",
+    "TvShows": "TV műsorok",
     "User": "Felhasználó",
     "UserCreatedWithName": "{0} felhasználó létrehozva",
     "UserDeletedWithName": "{0} felhasználó törölve",
@@ -88,7 +88,7 @@
     "UserOfflineFromDevice": "{0} kijelentkezett innen:  {1}",
     "UserOnlineFromDevice": "{0} online itt:  {1}",
     "UserPasswordChangedWithName": "Jelszó megváltozott a következő felhasználó számára: {0}",
-    "UserPolicyUpdatedWithName": "A felhasználói házirend frissítve lett {0}",
+    "UserPolicyUpdatedWithName": "A felhasználói házirend frissítve lett neki: {0}",
     "UserStartedPlayingItemWithValues": "{0} elkezdte játszani a következőt: {1} itt:  {2}",
     "UserStoppedPlayingItemWithValues": "{0} befejezte a következőt: {1} itt:  {2}",
     "ValueHasBeenAddedToLibrary": "{0} hozzáadva a médiatárhoz",
diff --git a/Emby.Server.Implementations/Localization/Core/is.json b/Emby.Server.Implementations/Localization/Core/is.json
new file mode 100644
index 000000000..0967ef424
--- /dev/null
+++ b/Emby.Server.Implementations/Localization/Core/is.json
@@ -0,0 +1 @@
+{}
diff --git a/Emby.Server.Implementations/Localization/Core/it.json b/Emby.Server.Implementations/Localization/Core/it.json
index 357883cd3..8f91effb9 100644
--- a/Emby.Server.Implementations/Localization/Core/it.json
+++ b/Emby.Server.Implementations/Localization/Core/it.json
@@ -9,13 +9,13 @@
     "Channels": "Canali",
     "ChapterNameValue": "Capitolo {0}",
     "Collections": "Collezioni",
-    "DeviceOfflineWithName": "{0} è stato disconnesso",
+    "DeviceOfflineWithName": "{0} ha disconnesso",
     "DeviceOnlineWithName": "{0} è connesso",
     "FailedLoginAttemptWithUserName": "Tentativo di accesso fallito da {0}",
     "Favorites": "Preferiti",
     "Folders": "Cartelle",
     "Genres": "Generi",
-    "HeaderAlbumArtists": "Artisti Album",
+    "HeaderAlbumArtists": "Artisti dell' Album",
     "HeaderCameraUploads": "Caricamenti Fotocamera",
     "HeaderContinueWatching": "Continua a guardare",
     "HeaderFavoriteAlbums": "Album preferiti",
@@ -32,7 +32,7 @@
     "ItemRemovedWithName": "{0} è stato rimosso dalla libreria",
     "LabelIpAddressValue": "Indirizzo IP: {0}",
     "LabelRunningTimeValue": "Durata: {0}",
-    "Latest": "Più recenti",
+    "Latest": "Novità",
     "MessageApplicationUpdated": "Il Server Jellyfin è stato aggiornato",
     "MessageApplicationUpdatedTo": "Jellyfin Server è stato aggiornato a {0}",
     "MessageNamedServerConfigurationUpdatedWithValue": "La sezione {0} della configurazione server è stata aggiornata",
@@ -43,7 +43,7 @@
     "MusicVideos": "Video musicali",
     "NameInstallFailed": "{0} installazione fallita",
     "NameSeasonNumber": "Stagione {0}",
-    "NameSeasonUnknown": "Stagione sconosciuto",
+    "NameSeasonUnknown": "Stagione sconosciuta",
     "NewVersionIsAvailable": "Una nuova versione di Jellyfin Server è disponibile per il download.",
     "NotificationOptionApplicationUpdateAvailable": "Aggiornamento dell'applicazione disponibile",
     "NotificationOptionApplicationUpdateInstalled": "Aggiornamento dell'applicazione installato",
@@ -88,9 +88,9 @@
     "UserOfflineFromDevice": "{0} è stato disconnesso da {1}",
     "UserOnlineFromDevice": "{0} è online da {1}",
     "UserPasswordChangedWithName": "La password è stata cambiata per l'utente {0}",
-    "UserPolicyUpdatedWithName": "La politica dell'utente è stata aggiornata per {0}",
-    "UserStartedPlayingItemWithValues": "{0} ha avviato la riproduzione di {1}",
-    "UserStoppedPlayingItemWithValues": "{0} ha interrotto la riproduzione di {1}",
+    "UserPolicyUpdatedWithName": "La policy dell'utente è stata aggiornata per {0}",
+    "UserStartedPlayingItemWithValues": "{0} ha avviato la riproduzione di {1} su {2}",
+    "UserStoppedPlayingItemWithValues": "{0} ha interrotto la riproduzione di {1} su {2}",
     "ValueHasBeenAddedToLibrary": "{0} è stato aggiunto alla tua libreria multimediale",
     "ValueSpecialEpisodeName": "Speciale - {0}",
     "VersionNumber": "Versione {0}"
diff --git a/Emby.Server.Implementations/Localization/Core/nl.json b/Emby.Server.Implementations/Localization/Core/nl.json
index 24af1839f..637e514ed 100644
--- a/Emby.Server.Implementations/Localization/Core/nl.json
+++ b/Emby.Server.Implementations/Localization/Core/nl.json
@@ -1,7 +1,7 @@
 {
     "Albums": "Albums",
     "AppDeviceValues": "App: {0}, Apparaat: {1}",
-    "Application": "Toepassing",
+    "Application": "Applicatie",
     "Artists": "Artiesten",
     "AuthenticationSucceededWithUserName": "{0} is succesvol geverifieerd",
     "Books": "Boeken",
@@ -30,7 +30,7 @@
     "Inherit": "Overerven",
     "ItemAddedWithName": "{0} is toegevoegd aan de bibliotheek",
     "ItemRemovedWithName": "{0} is verwijderd uit de bibliotheek",
-    "LabelIpAddressValue": "IP adres: {0}",
+    "LabelIpAddressValue": "IP-adres: {0}",
     "LabelRunningTimeValue": "Looptijd: {0}",
     "Latest": "Nieuwste",
     "MessageApplicationUpdated": "Jellyfin Server is bijgewerkt",
@@ -50,7 +50,7 @@
     "NotificationOptionAudioPlayback": "Muziek gestart",
     "NotificationOptionAudioPlaybackStopped": "Muziek gestopt",
     "NotificationOptionCameraImageUploaded": "Camera-afbeelding geüpload",
-    "NotificationOptionInstallationFailed": "Installatie mislukt",
+    "NotificationOptionInstallationFailed": "Installatie mislukking",
     "NotificationOptionNewLibraryContent": "Nieuwe content toegevoegd",
     "NotificationOptionPluginError": "Plug-in fout",
     "NotificationOptionPluginInstalled": "Plug-in geïnstalleerd",
diff --git a/Emby.Server.Implementations/Localization/Core/sk.json b/Emby.Server.Implementations/Localization/Core/sk.json
index 6eade7942..75eecbe3e 100644
--- a/Emby.Server.Implementations/Localization/Core/sk.json
+++ b/Emby.Server.Implementations/Localization/Core/sk.json
@@ -5,7 +5,7 @@
     "Artists": "Umelci",
     "AuthenticationSucceededWithUserName": "{0} úspešne overený",
     "Books": "Knihy",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
+    "CameraImageUploadedFrom": "Z {0} bola nahraná nová fotografia",
     "Channels": "Kanály",
     "ChapterNameValue": "Kapitola {0}",
     "Collections": "Zbierky",
@@ -15,9 +15,9 @@
     "Favorites": "Obľúbené",
     "Folders": "Priečinky",
     "Genres": "Žánre",
-    "HeaderAlbumArtists": "Album Artists",
+    "HeaderAlbumArtists": "Albumy umelcov",
     "HeaderCameraUploads": "Nahrané fotografie",
-    "HeaderContinueWatching": "Pokračujte v pozeraní",
+    "HeaderContinueWatching": "Pokračovať v pozeraní",
     "HeaderFavoriteAlbums": "Obľúbené albumy",
     "HeaderFavoriteArtists": "Obľúbení umelci",
     "HeaderFavoriteEpisodes": "Obľúbené epizódy",
diff --git a/Emby.Server.Implementations/Localization/Core/tr.json b/Emby.Server.Implementations/Localization/Core/tr.json
index 3cc95e46e..eb1c2623f 100644
--- a/Emby.Server.Implementations/Localization/Core/tr.json
+++ b/Emby.Server.Implementations/Localization/Core/tr.json
@@ -5,93 +5,93 @@
     "Artists": "Sanatçılar",
     "AuthenticationSucceededWithUserName": "{0} kimlik başarıyla doğrulandı",
     "Books": "Kitaplar",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
+    "CameraImageUploadedFrom": "{0} 'den yeni bir kamera resmi yüklendi",
     "Channels": "Kanallar",
-    "ChapterNameValue": "Chapter {0}",
-    "Collections": "Collections",
-    "DeviceOfflineWithName": "{0} has disconnected",
-    "DeviceOnlineWithName": "{0} is connected",
-    "FailedLoginAttemptWithUserName": "Failed login attempt from {0}",
-    "Favorites": "Favorites",
-    "Folders": "Folders",
-    "Genres": "Genres",
-    "HeaderAlbumArtists": "Album Artists",
-    "HeaderCameraUploads": "Camera Uploads",
+    "ChapterNameValue": "Bölüm {0}",
+    "Collections": "Koleksiyonlar",
+    "DeviceOfflineWithName": "{0} bağlantısı kesildi",
+    "DeviceOnlineWithName": "{0} bağlı",
+    "FailedLoginAttemptWithUserName": "{0} adresinden giriş başarısız oldu",
+    "Favorites": "Favoriler",
+    "Folders": "Klasörler",
+    "Genres": "Türler",
+    "HeaderAlbumArtists": "Albüm Sanatçıları",
+    "HeaderCameraUploads": "Kamera Yüklemeleri",
     "HeaderContinueWatching": "İzlemeye Devam Et",
     "HeaderFavoriteAlbums": "Favori Albümler",
-    "HeaderFavoriteArtists": "Favorite Artists",
-    "HeaderFavoriteEpisodes": "Favorite Episodes",
-    "HeaderFavoriteShows": "Favori Showlar",
-    "HeaderFavoriteSongs": "Favorite Songs",
-    "HeaderLiveTV": "Live TV",
-    "HeaderNextUp": "Next Up",
-    "HeaderRecordingGroups": "Recording Groups",
-    "HomeVideos": "Home videos",
-    "Inherit": "Inherit",
-    "ItemAddedWithName": "{0} was added to the library",
-    "ItemRemovedWithName": "{0} was removed from the library",
-    "LabelIpAddressValue": "Ip adresi: {0}",
+    "HeaderFavoriteArtists": "Favori Sanatçılar",
+    "HeaderFavoriteEpisodes": "Favori Bölümler",
+    "HeaderFavoriteShows": "Favori Diziler",
+    "HeaderFavoriteSongs": "Favori Şarkılar",
+    "HeaderLiveTV": "Canlı TV",
+    "HeaderNextUp": "Sonraki hafta",
+    "HeaderRecordingGroups": "Kayıt Grupları",
+    "HomeVideos": "Ev videoları",
+    "Inherit": "Devral",
+    "ItemAddedWithName": "{0} kütüphaneye eklendi",
+    "ItemRemovedWithName": "{0} kütüphaneden silindi",
+    "LabelIpAddressValue": "IP adresi: {0}",
     "LabelRunningTimeValue": "Çalışma süresi: {0}",
-    "Latest": "Latest",
+    "Latest": "En son",
     "MessageApplicationUpdated": "Jellyfin Sunucusu güncellendi",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Server configuration section {0} has been updated",
-    "MessageServerConfigurationUpdated": "Server configuration has been updated",
-    "MixedContent": "Mixed content",
-    "Movies": "Movies",
+    "MessageApplicationUpdatedTo": "Jellyfin Sunucusu {0} olarak güncellendi",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Sunucu ayarları kısım {0} güncellendi",
+    "MessageServerConfigurationUpdated": "Sunucu ayarları güncellendi",
+    "MixedContent": "Karışık içerik",
+    "Movies": "Filmler",
     "Music": "Müzik",
     "MusicVideos": "Müzik videoları",
-    "NameInstallFailed": "{0} kurulum başarısız",
+    "NameInstallFailed": "{0} kurulumu başarısız",
     "NameSeasonNumber": "Sezon {0}",
     "NameSeasonUnknown": "Bilinmeyen Sezon",
     "NewVersionIsAvailable": "Jellyfin Sunucusunun yeni bir versiyonu indirmek için hazır.",
-    "NotificationOptionApplicationUpdateAvailable": "Application update available",
-    "NotificationOptionApplicationUpdateInstalled": "Application update installed",
-    "NotificationOptionAudioPlayback": "Audio playback started",
-    "NotificationOptionAudioPlaybackStopped": "Audio playback stopped",
-    "NotificationOptionCameraImageUploaded": "Camera image uploaded",
-    "NotificationOptionInstallationFailed": "Yükleme hatası",
-    "NotificationOptionNewLibraryContent": "New content added",
-    "NotificationOptionPluginError": "Plugin failure",
-    "NotificationOptionPluginInstalled": "Plugin installed",
-    "NotificationOptionPluginUninstalled": "Plugin uninstalled",
-    "NotificationOptionPluginUpdateInstalled": "Plugin update installed",
-    "NotificationOptionServerRestartRequired": "Server restart required",
-    "NotificationOptionTaskFailed": "Scheduled task failure",
-    "NotificationOptionUserLockedOut": "User locked out",
-    "NotificationOptionVideoPlayback": "Video playback started",
-    "NotificationOptionVideoPlaybackStopped": "Video playback stopped",
-    "Photos": "Photos",
-    "Playlists": "Playlists",
-    "Plugin": "Plugin",
-    "PluginInstalledWithName": "{0} was installed",
-    "PluginUninstalledWithName": "{0} was uninstalled",
-    "PluginUpdatedWithName": "{0} was updated",
-    "ProviderValue": "Provider: {0}",
-    "ScheduledTaskFailedWithName": "{0} failed",
-    "ScheduledTaskStartedWithName": "{0} started",
-    "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
-    "Shows": "Shows",
-    "Songs": "Songs",
-    "StartupEmbyServerIsLoading": "Jellyfin Server is loading. Please try again shortly.",
+    "NotificationOptionApplicationUpdateAvailable": "Uygulama güncellemesi mevcut",
+    "NotificationOptionApplicationUpdateInstalled": "Uygulama güncellemesi yüklendi",
+    "NotificationOptionAudioPlayback": "Ses çalma başladı",
+    "NotificationOptionAudioPlaybackStopped": "Ses çalma durduruldu",
+    "NotificationOptionCameraImageUploaded": "Kamera fotoğrafı yüklendi",
+    "NotificationOptionInstallationFailed": "Yükleme başarısız oldu",
+    "NotificationOptionNewLibraryContent": "Yeni içerik eklendi",
+    "NotificationOptionPluginError": "Eklenti hatası",
+    "NotificationOptionPluginInstalled": "Eklenti yüklendi",
+    "NotificationOptionPluginUninstalled": "Eklenti kaldırıldı",
+    "NotificationOptionPluginUpdateInstalled": "Eklenti güncellemesi yüklendi",
+    "NotificationOptionServerRestartRequired": "Sunucu yeniden başlatma gerekli",
+    "NotificationOptionTaskFailed": "Zamanlanmış görev hatası",
+    "NotificationOptionUserLockedOut": "Kullanıcı kitlendi",
+    "NotificationOptionVideoPlayback": "Video oynatma başladı",
+    "NotificationOptionVideoPlaybackStopped": "Video oynatma durduruldu",
+    "Photos": "Fotoğraflar",
+    "Playlists": "Çalma listeleri",
+    "Plugin": "Eklenti",
+    "PluginInstalledWithName": "{0} yüklendi",
+    "PluginUninstalledWithName": "{0} kaldırıldı",
+    "PluginUpdatedWithName": "{0} güncellendi",
+    "ProviderValue": "Sağlayıcı: {0}",
+    "ScheduledTaskFailedWithName": "{0} başarısız oldu",
+    "ScheduledTaskStartedWithName": "{0} başladı",
+    "ServerNameNeedsToBeRestarted": "{0} yeniden başlatılması gerekiyor",
+    "Shows": "Diziler",
+    "Songs": "Şarkılar",
+    "StartupEmbyServerIsLoading": "Jellyfin Sunucusu yükleniyor. Lütfen kısa süre sonra tekrar deneyin.",
     "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
-    "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
-    "SubtitlesDownloadedForItem": "Subtitles downloaded for {0}",
-    "Sync": "Sync",
-    "System": "System",
-    "TvShows": "TV Shows",
-    "User": "User",
-    "UserCreatedWithName": "User {0} has been created",
-    "UserDeletedWithName": "User {0} has been deleted",
-    "UserDownloadingItemWithValues": "{0} is downloading {1}",
-    "UserLockedOutWithName": "User {0} has been locked out",
-    "UserOfflineFromDevice": "{0} has disconnected from {1}",
-    "UserOnlineFromDevice": "{0} is online from {1}",
-    "UserPasswordChangedWithName": "Password has been changed for user {0}",
-    "UserPolicyUpdatedWithName": "User policy has been updated for {0}",
-    "UserStartedPlayingItemWithValues": "{0} is playing {1} on {2}",
-    "UserStoppedPlayingItemWithValues": "{0} has finished playing {1} on {2}",
-    "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
-    "ValueSpecialEpisodeName": "Special - {0}",
-    "VersionNumber": "Version {0}"
+    "SubtitleDownloadFailureFromForItem": "{1} için alt yazılar {0} 'dan indirilemedi",
+    "SubtitlesDownloadedForItem": "{0} için altyazılar indirildi",
+    "Sync": "Eşitle",
+    "System": "Sistem",
+    "TvShows": "Diziler",
+    "User": "Kullanıcı",
+    "UserCreatedWithName": "{0} kullanıcısı oluşturuldu",
+    "UserDeletedWithName": "Kullanıcı {0} silindi",
+    "UserDownloadingItemWithValues": "{0} indiriliyor {1}",
+    "UserLockedOutWithName": "Kullanıcı {0} kitlendi",
+    "UserOfflineFromDevice": "{0}, {1} ile bağlantısı kesildi",
+    "UserOnlineFromDevice": "{0}, {1} çevrimiçi",
+    "UserPasswordChangedWithName": "{0} kullanıcısı için şifre değiştirildi",
+    "UserPolicyUpdatedWithName": "Kullanıcı politikası {0} için güncellendi",
+    "UserStartedPlayingItemWithValues": "{0}, {2} cihazında {1} izliyor",
+    "UserStoppedPlayingItemWithValues": "{0}, {2} cihazında {1} izlemeyi bitirdi",
+    "ValueHasBeenAddedToLibrary": "Medya kitaplığınıza {0} eklendi",
+    "ValueSpecialEpisodeName": "Özel - {0}",
+    "VersionNumber": "Versiyon {0}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/zh-CN.json b/Emby.Server.Implementations/Localization/Core/zh-CN.json
index ba5e93982..87f8553ae 100644
--- a/Emby.Server.Implementations/Localization/Core/zh-CN.json
+++ b/Emby.Server.Implementations/Localization/Core/zh-CN.json
@@ -5,7 +5,7 @@
     "Artists": "艺术家",
     "AuthenticationSucceededWithUserName": "{0} 认证成功",
     "Books": "书籍",
-    "CameraImageUploadedFrom": "已从 {0} 上传了一张新的相机图像",
+    "CameraImageUploadedFrom": "已从 {0} 上传了一张新的相片",
     "Channels": "频道",
     "ChapterNameValue": "章节 {0}",
     "Collections": "合集",
diff --git a/Emby.Server.Implementations/Localization/Core/zh-HK.json b/Emby.Server.Implementations/Localization/Core/zh-HK.json
index 387fc2b92..33fcb2d37 100644
--- a/Emby.Server.Implementations/Localization/Core/zh-HK.json
+++ b/Emby.Server.Implementations/Localization/Core/zh-HK.json
@@ -2,7 +2,7 @@
     "Albums": "Albums",
     "AppDeviceValues": "App: {0}, Device: {1}",
     "Application": "Application",
-    "Artists": "Artists",
+    "Artists": "藝人",
     "AuthenticationSucceededWithUserName": "{0} successfully authenticated",
     "Books": "Books",
     "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
diff --git a/Emby.Server.Implementations/Localization/Core/zh-TW.json b/Emby.Server.Implementations/Localization/Core/zh-TW.json
index 293fc28a8..33bdbfb98 100644
--- a/Emby.Server.Implementations/Localization/Core/zh-TW.json
+++ b/Emby.Server.Implementations/Localization/Core/zh-TW.json
@@ -1,6 +1,6 @@
 {
     "Albums": "專輯",
-    "AppDeviceValues": "應用: {0}, 裝置: {1}",
+    "AppDeviceValues": "軟體: {0}, 裝置: {1}",
     "Application": "應用程式",
     "Artists": "演出者",
     "AuthenticationSucceededWithUserName": "{0} 成功授權",
diff --git a/Emby.Server.Implementations/Localization/LocalizationManager.cs b/Emby.Server.Implementations/Localization/LocalizationManager.cs
index 13cdc50ca..bda43e832 100644
--- a/Emby.Server.Implementations/Localization/LocalizationManager.cs
+++ b/Emby.Server.Implementations/Localization/LocalizationManager.cs
@@ -5,11 +5,9 @@ using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Reflection;
-using System.Text;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
diff --git a/Emby.Server.Implementations/Middleware/WebSocketMiddleware.cs b/Emby.Server.Implementations/Middleware/WebSocketMiddleware.cs
index 268bf4042..fda32da5e 100644
--- a/Emby.Server.Implementations/Middleware/WebSocketMiddleware.cs
+++ b/Emby.Server.Implementations/Middleware/WebSocketMiddleware.cs
@@ -27,12 +27,12 @@ namespace Emby.Server.Implementations.Middleware
                 var webSocketContext = await httpContext.WebSockets.AcceptWebSocketAsync(null).ConfigureAwait(false);
                 if (webSocketContext != null)
                 {
-                    await _webSocketManager.OnWebSocketConnected(webSocketContext);
+                    await _webSocketManager.OnWebSocketConnected(webSocketContext).ConfigureAwait(false);
                 }
             }
             else
             {
-                await _next.Invoke(httpContext);
+                await _next.Invoke(httpContext).ConfigureAwait(false);
             }
         }
     }
diff --git a/Emby.Server.Implementations/Networking/NetworkManager.cs b/Emby.Server.Implementations/Networking/NetworkManager.cs
index 7d85a0666..1d8d3cf39 100644
--- a/Emby.Server.Implementations/Networking/NetworkManager.cs
+++ b/Emby.Server.Implementations/Networking/NetworkManager.cs
@@ -7,8 +7,6 @@ using System.Net.NetworkInformation;
 using System.Net.Sockets;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Net;
-using MediaBrowser.Model.IO;
-using MediaBrowser.Model.Net;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Networking
@@ -20,6 +18,9 @@ namespace Emby.Server.Implementations.Networking
         private IPAddress[] _localIpAddresses;
         private readonly object _localIpAddressSyncLock = new object();
 
+        private readonly object _subnetLookupLock = new object();
+        private Dictionary<string, List<string>> _subnetLookup = new Dictionary<string, List<string>>(StringComparer.Ordinal);
+
         public NetworkManager(ILogger<NetworkManager> logger)
         {
             _logger = logger;
@@ -28,10 +29,10 @@ namespace Emby.Server.Implementations.Networking
             NetworkChange.NetworkAvailabilityChanged += OnNetworkAvailabilityChanged;
         }
 
-        public Func<string[]> LocalSubnetsFn { get; set; }
-
         public event EventHandler NetworkChanged;
 
+        public Func<string[]> LocalSubnetsFn { get; set; }
+
         private void OnNetworkAvailabilityChanged(object sender, NetworkAvailabilityEventArgs e)
         {
             _logger.LogDebug("NetworkAvailabilityChanged");
@@ -52,10 +53,7 @@ namespace Emby.Server.Implementations.Networking
                 _macAddresses = null;
             }
 
-            if (NetworkChanged != null)
-            {
-                NetworkChanged(this, EventArgs.Empty);
-            }
+            NetworkChanged?.Invoke(this, EventArgs.Empty);
         }
 
         public IPAddress[] GetLocalIpAddresses(bool ignoreVirtualInterface = true)
@@ -179,10 +177,9 @@ namespace Emby.Server.Implementations.Networking
             return false;
         }
 
-        private Dictionary<string, List<string>> _subnetLookup = new Dictionary<string, List<string>>(StringComparer.Ordinal);
         private List<string> GetSubnets(string endpointFirstPart)
         {
-            lock (_subnetLookup)
+            lock (_subnetLookupLock)
             {
                 if (_subnetLookup.TryGetValue(endpointFirstPart, out var subnets))
                 {
@@ -200,7 +197,11 @@ namespace Emby.Server.Implementations.Networking
                             int subnet_Test = 0;
                             foreach (string part in unicastIPAddressInformation.IPv4Mask.ToString().Split('.'))
                             {
-                                if (part.Equals("0")) break;
+                                if (part.Equals("0", StringComparison.Ordinal))
+                                {
+                                    break;
+                                }
+
                                 subnet_Test++;
                             }
 
@@ -255,10 +256,10 @@ namespace Emby.Server.Implementations.Networking
                     return true;
                 }
 
-                if (normalizedSubnet.IndexOf('/') != -1)
+                if (normalizedSubnet.Contains('/', StringComparison.Ordinal))
                 {
-                    var ipnetwork = IPNetwork.Parse(normalizedSubnet);
-                    if (ipnetwork.Contains(address))
+                    var ipNetwork = IPNetwork.Parse(normalizedSubnet);
+                    if (ipNetwork.Contains(address))
                     {
                         return true;
                     }
@@ -447,119 +448,11 @@ namespace Emby.Server.Implementations.Networking
                 .Select(x => x.GetPhysicalAddress())
                 .Where(x => x != null && x != PhysicalAddress.None);
 
-        /// <summary>
-        /// Parses the specified endpointstring.
-        /// </summary>
-        /// <param name="endpointstring">The endpointstring.</param>
-        /// <returns>IPEndPoint.</returns>
-        public IPEndPoint Parse(string endpointstring)
-        {
-            return Parse(endpointstring, -1).Result;
-        }
-
-        /// <summary>
-        /// Parses the specified endpointstring.
-        /// </summary>
-        /// <param name="endpointstring">The endpointstring.</param>
-        /// <param name="defaultport">The defaultport.</param>
-        /// <returns>IPEndPoint.</returns>
-        /// <exception cref="ArgumentException">Endpoint descriptor may not be empty.</exception>
-        /// <exception cref="FormatException"></exception>
-        private static async Task<IPEndPoint> Parse(string endpointstring, int defaultport)
-        {
-            if (string.IsNullOrEmpty(endpointstring)
-                || endpointstring.Trim().Length == 0)
-            {
-                throw new ArgumentException("Endpoint descriptor may not be empty.");
-            }
-
-            if (defaultport != -1 &&
-                (defaultport < IPEndPoint.MinPort
-                || defaultport > IPEndPoint.MaxPort))
-            {
-                throw new ArgumentException(string.Format("Invalid default port '{0}'", defaultport));
-            }
-
-            string[] values = endpointstring.Split(new char[] { ':' });
-            IPAddress ipaddy;
-            int port = -1;
-
-            //check if we have an IPv6 or ports
-            if (values.Length <= 2) // ipv4 or hostname
-            {
-                port = values.Length == 1 ? defaultport : GetPort(values[1]);
-
-                //try to use the address as IPv4, otherwise get hostname
-                if (!IPAddress.TryParse(values[0], out ipaddy))
-                    ipaddy = await GetIPfromHost(values[0]).ConfigureAwait(false);
-            }
-            else if (values.Length > 2) //ipv6
-            {
-                //could [a:b:c]:d
-                if (values[0].StartsWith("[") && values[values.Length - 2].EndsWith("]"))
-                {
-                    string ipaddressstring = string.Join(":", values.Take(values.Length - 1).ToArray());
-                    ipaddy = IPAddress.Parse(ipaddressstring);
-                    port = GetPort(values[values.Length - 1]);
-                }
-                else //[a:b:c] or a:b:c
-                {
-                    ipaddy = IPAddress.Parse(endpointstring);
-                    port = defaultport;
-                }
-            }
-            else
-            {
-                throw new FormatException(string.Format("Invalid endpoint ipaddress '{0}'", endpointstring));
-            }
-
-            if (port == -1)
-                throw new ArgumentException(string.Format("No port specified: '{0}'", endpointstring));
-
-            return new IPEndPoint(ipaddy, port);
-        }
-
-        protected static readonly CultureInfo UsCulture = new CultureInfo("en-US");
-
-        /// <summary>
-        /// Gets the port.
-        /// </summary>
-        /// <param name="p">The p.</param>
-        /// <returns>System.Int32.</returns>
-        /// <exception cref="FormatException"></exception>
-        private static int GetPort(string p)
-        {
-            if (!int.TryParse(p, out var port)
-             || port < IPEndPoint.MinPort
-             || port > IPEndPoint.MaxPort)
-            {
-                throw new FormatException(string.Format("Invalid end point port '{0}'", p));
-            }
-
-            return port;
-        }
-
-        /// <summary>
-        /// Gets the I pfrom host.
-        /// </summary>
-        /// <param name="p">The p.</param>
-        /// <returns>IPAddress.</returns>
-        /// <exception cref="ArgumentException"></exception>
-        private static async Task<IPAddress> GetIPfromHost(string p)
-        {
-            var hosts = await Dns.GetHostAddressesAsync(p).ConfigureAwait(false);
-
-            if (hosts == null || hosts.Length == 0)
-                throw new ArgumentException(string.Format("Host not found: {0}", p));
-
-            return hosts[0];
-        }
-
         public bool IsInSameSubnet(IPAddress address1, IPAddress address2, IPAddress subnetMask)
         {
-             IPAddress network1 = GetNetworkAddress(address1, subnetMask);
-             IPAddress network2 = GetNetworkAddress(address2, subnetMask);
-             return network1.Equals(network2);
+            IPAddress network1 = GetNetworkAddress(address1, subnetMask);
+            IPAddress network2 = GetNetworkAddress(address2, subnetMask);
+            return network1.Equals(network2);
         }
 
         private IPAddress GetNetworkAddress(IPAddress address, IPAddress subnetMask)
@@ -575,7 +468,7 @@ namespace Emby.Server.Implementations.Networking
             byte[] broadcastAddress = new byte[ipAdressBytes.Length];
             for (int i = 0; i < broadcastAddress.Length; i++)
             {
-                broadcastAddress[i] = (byte)(ipAdressBytes[i] & (subnetMaskBytes[i]));
+                broadcastAddress[i] = (byte)(ipAdressBytes[i] & subnetMaskBytes[i]);
             }
 
             return new IPAddress(broadcastAddress);
@@ -615,24 +508,5 @@ namespace Emby.Server.Implementations.Networking
 
             return null;
         }
-
-        /// <summary>
-        /// Gets the network shares.
-        /// </summary>
-        /// <param name="path">The path.</param>
-        /// <returns>IEnumerable{NetworkShare}.</returns>
-        public virtual IEnumerable<NetworkShare> GetNetworkShares(string path)
-        {
-            return new List<NetworkShare>();
-        }
-
-        /// <summary>
-        /// Gets available devices within the domain
-        /// </summary>
-        /// <returns>PC's in the Domain</returns>
-        public virtual IEnumerable<FileSystemEntryInfo> GetNetworkDevices()
-        {
-            return new List<FileSystemEntryInfo>();
-        }
     }
 }
diff --git a/Emby.Server.Implementations/Playlists/ManualPlaylistsFolder.cs b/Emby.Server.Implementations/Playlists/ManualPlaylistsFolder.cs
index f4decc856..cd9f7946e 100644
--- a/Emby.Server.Implementations/Playlists/ManualPlaylistsFolder.cs
+++ b/Emby.Server.Implementations/Playlists/ManualPlaylistsFolder.cs
@@ -1,9 +1,9 @@
 using System.Collections.Generic;
 using System.Linq;
+using System.Text.Json.Serialization;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Playlists;
 using MediaBrowser.Model.Querying;
-using MediaBrowser.Model.Serialization;
 
 namespace Emby.Server.Implementations.Playlists
 {
@@ -24,13 +24,13 @@ namespace Emby.Server.Implementations.Playlists
             return base.GetEligibleChildrenForRecursiveChildren(user).OfType<Playlist>();
         }
 
-        [IgnoreDataMember]
+        [JsonIgnore]
         public override bool IsHidden => true;
 
-        [IgnoreDataMember]
+        [JsonIgnore]
         public override bool SupportsInheritedParentImages => false;
 
-        [IgnoreDataMember]
+        [JsonIgnore]
         public override string CollectionType => MediaBrowser.Model.Entities.CollectionType.Playlists;
 
         protected override QueryResult<BaseItem> GetItemsInternal(InternalItemsQuery query)
@@ -48,4 +48,3 @@ namespace Emby.Server.Implementations.Playlists
         }
     }
 }
-
diff --git a/Emby.Server.Implementations/Playlists/PlaylistManager.cs b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
index 40b568b40..0f58e43ed 100644
--- a/Emby.Server.Implementations/Playlists/PlaylistManager.cs
+++ b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
@@ -90,8 +90,7 @@ namespace Emby.Server.Implementations.Playlists
                     }
                     else
                     {
-                        var folder = item as Folder;
-                        if (folder != null)
+                        if (item is Folder folder)
                         {
                             options.MediaType = folder.GetRecursiveChildren(i => !i.IsFolder && i.SupportsAddingToPlaylist)
                                 .Select(i => i.MediaType)
@@ -140,7 +139,7 @@ namespace Emby.Server.Implementations.Playlists
 
                 parentFolder.AddChild(playlist, CancellationToken.None);
 
-                await playlist.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)) { ForceSave = true }, CancellationToken.None)
+                await playlist.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_fileSystem)) { ForceSave = true }, CancellationToken.None)
                     .ConfigureAwait(false);
 
                 if (options.ItemIdList.Length > 0)
@@ -201,7 +200,7 @@ namespace Emby.Server.Implementations.Playlists
 
             var list = new List<LinkedChild>();
 
-            var items = (GetPlaylistItems(itemIds, playlist.MediaType, user, options))
+            var items = GetPlaylistItems(itemIds, playlist.MediaType, user, options)
                 .Where(i => i.SupportsAddingToPlaylist)
                 .ToList();
 
@@ -221,18 +220,18 @@ namespace Emby.Server.Implementations.Playlists
                 SavePlaylistFile(playlist);
             }
 
-            _providerManager.QueueRefresh(playlist.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
-            {
-                ForceSave = true
-
-            }, RefreshPriority.High);
+            _providerManager.QueueRefresh(
+                playlist.Id,
+                new MetadataRefreshOptions(new DirectoryService(_fileSystem))
+                {
+                    ForceSave = true
+                },
+                RefreshPriority.High);
         }
 
         public void RemoveFromPlaylist(string playlistId, IEnumerable<string> entryIds)
         {
-            var playlist = _libraryManager.GetItemById(playlistId) as Playlist;
-
-            if (playlist == null)
+            if (!(_libraryManager.GetItemById(playlistId) is Playlist playlist))
             {
                 throw new ArgumentException("No Playlist exists with the supplied Id");
             }
@@ -254,7 +253,7 @@ namespace Emby.Server.Implementations.Playlists
                 SavePlaylistFile(playlist);
             }
 
-            _providerManager.QueueRefresh(playlist.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+            _providerManager.QueueRefresh(playlist.Id, new MetadataRefreshOptions(new DirectoryService(_fileSystem))
             {
                 ForceSave = true
 
@@ -263,9 +262,7 @@ namespace Emby.Server.Implementations.Playlists
 
         public void MoveItem(string playlistId, string entryId, int newIndex)
         {
-            var playlist = _libraryManager.GetItemById(playlistId) as Playlist;
-
-            if (playlist == null)
+            if (!(_libraryManager.GetItemById(playlistId) is Playlist playlist))
             {
                 throw new ArgumentException("No Playlist exists with the supplied Id");
             }
diff --git a/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs b/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
index 83226b07f..5b188d962 100644
--- a/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
@@ -23,7 +23,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         public event EventHandler<GenericEventArgs<double>> TaskProgress;
 
         /// <summary>
-        /// Gets or sets the scheduled task.
+        /// Gets the scheduled task.
         /// </summary>
         /// <value>The scheduled task.</value>
         public IScheduledTask ScheduledTask { get; private set; }
@@ -215,11 +215,12 @@ namespace Emby.Server.Implementations.ScheduledTasks
         public double? CurrentProgress { get; private set; }
 
         /// <summary>
-        /// The _triggers
+        /// The _triggers.
         /// </summary>
         private Tuple<TaskTriggerInfo, ITaskTrigger>[] _triggers;
+
         /// <summary>
-        /// Gets the triggers that define when the task will run
+        /// Gets the triggers that define when the task will run.
         /// </summary>
         /// <value>The triggers.</value>
         private Tuple<TaskTriggerInfo, ITaskTrigger>[] InternalTriggers
@@ -245,7 +246,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         }
 
         /// <summary>
-        /// Gets the triggers that define when the task will run
+        /// Gets the triggers that define when the task will run.
         /// </summary>
         /// <value>The triggers.</value>
         /// <exception cref="ArgumentNullException">value</exception>
diff --git a/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs b/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs
index 595c3037d..ecf58dbc0 100644
--- a/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs
@@ -36,19 +36,19 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// Gets or sets the json serializer.
         /// </summary>
         /// <value>The json serializer.</value>
-        private IJsonSerializer JsonSerializer { get; set; }
+        private readonly IJsonSerializer _jsonSerializer;
 
         /// <summary>
         /// Gets or sets the application paths.
         /// </summary>
         /// <value>The application paths.</value>
-        private IApplicationPaths ApplicationPaths { get; set; }
+        private readonly IApplicationPaths _applicationPaths;
 
         /// <summary>
         /// Gets the logger.
         /// </summary>
         /// <value>The logger.</value>
-        private ILogger Logger { get; set; }
+        private readonly ILogger _logger;
         private readonly IFileSystem _fileSystem;
 
         /// <summary>
@@ -57,19 +57,19 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// <param name="applicationPaths">The application paths.</param>
         /// <param name="jsonSerializer">The json serializer.</param>
         /// <param name="loggerFactory">The logger factory.</param>
-        /// <exception cref="System.ArgumentException">kernel</exception>
+        /// <param name="fileSystem">The filesystem manager.</param>
         public TaskManager(
             IApplicationPaths applicationPaths,
             IJsonSerializer jsonSerializer,
             ILoggerFactory loggerFactory,
             IFileSystem fileSystem)
         {
-            ApplicationPaths = applicationPaths;
-            JsonSerializer = jsonSerializer;
-            Logger = loggerFactory.CreateLogger(nameof(TaskManager));
+            _applicationPaths = applicationPaths;
+            _jsonSerializer = jsonSerializer;
+            _logger = loggerFactory.CreateLogger(nameof(TaskManager));
             _fileSystem = fileSystem;
 
-            ScheduledTasks = new IScheduledTaskWorker[] { };
+            ScheduledTasks = Array.Empty<IScheduledTaskWorker>();
         }
 
         /// <summary>
@@ -78,7 +78,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// <typeparam name="T"></typeparam>
         /// <param name="options">Task options.</param>
         public void CancelIfRunningAndQueue<T>(TaskOptions options)
-                 where T : IScheduledTask
+            where T : IScheduledTask
         {
             var task = ScheduledTasks.First(t => t.ScheduledTask.GetType() == typeof(T));
             ((ScheduledTaskWorker)task).CancelIfRunning();
@@ -115,7 +115,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
 
             if (scheduledTask == null)
             {
-                Logger.LogError("Unable to find scheduled task of type {0} in QueueScheduledTask.", typeof(T).Name);
+                _logger.LogError("Unable to find scheduled task of type {0} in QueueScheduledTask.", typeof(T).Name);
             }
             else
             {
@@ -147,13 +147,13 @@ namespace Emby.Server.Implementations.ScheduledTasks
 
             if (scheduledTask == null)
             {
-                Logger.LogError("Unable to find scheduled task of type {0} in Execute.", typeof(T).Name);
+                _logger.LogError("Unable to find scheduled task of type {0} in Execute.", typeof(T).Name);
             }
             else
             {
                 var type = scheduledTask.ScheduledTask.GetType();
 
-                Logger.LogInformation("Queueing task {0}", type.Name);
+                _logger.LogInformation("Queueing task {0}", type.Name);
 
                 lock (_taskQueue)
                 {
@@ -176,7 +176,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
 
             if (scheduledTask == null)
             {
-                Logger.LogError("Unable to find scheduled task of type {0} in QueueScheduledTask.", task.GetType().Name);
+                _logger.LogError("Unable to find scheduled task of type {0} in QueueScheduledTask.", task.GetType().Name);
             }
             else
             {
@@ -193,7 +193,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         {
             var type = task.ScheduledTask.GetType();
 
-            Logger.LogInformation("Queueing task {0}", type.Name);
+            _logger.LogInformation("Queueing task {0}", type.Name);
 
             lock (_taskQueue)
             {
@@ -213,7 +213,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// <param name="tasks">The tasks.</param>
         public void AddTasks(IEnumerable<IScheduledTask> tasks)
         {
-            var list = tasks.Select(t => new ScheduledTaskWorker(t, ApplicationPaths, this, JsonSerializer, Logger, _fileSystem));
+            var list = tasks.Select(t => new ScheduledTaskWorker(t, _applicationPaths, this, _jsonSerializer, _logger, _fileSystem));
 
             ScheduledTasks = ScheduledTasks.Concat(list).ToArray();
         }
@@ -281,7 +281,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// </summary>
         private void ExecuteQueuedTasks()
         {
-            Logger.LogInformation("ExecuteQueuedTasks");
+            _logger.LogInformation("ExecuteQueuedTasks");
 
             // Execute queued tasks
             lock (_taskQueue)
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
index 2f07ff15a..ecd526251 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
@@ -19,16 +19,17 @@ using Microsoft.Extensions.Logging;
 namespace Emby.Server.Implementations.ScheduledTasks
 {
     /// <summary>
-    /// Class ChapterImagesTask
+    /// Class ChapterImagesTask.
     /// </summary>
     public class ChapterImagesTask : IScheduledTask
     {
         /// <summary>
-        /// The _logger
+        /// The _logger.
         /// </summary>
         private readonly ILogger _logger;
+
         /// <summary>
-        /// The _library manager
+        /// The _library manager.
         /// </summary>
         private readonly ILibraryManager _libraryManager;
 
@@ -53,12 +54,12 @@ namespace Emby.Server.Implementations.ScheduledTasks
         }
 
         /// <summary>
-        /// Creates the triggers that define when the task will run
+        /// Creates the triggers that define when the task will run.
         /// </summary>
         public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
         {
-            return new[] {
-
+            return new[]
+            {
                 new TaskTriggerInfo
                 {
                     Type = TaskTriggerInfo.TriggerDaily,
@@ -117,7 +118,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
                 previouslyFailedImages = new List<string>();
             }
 
-            var directoryService = new DirectoryService(_logger, _fileSystem);
+            var directoryService = new DirectoryService(_fileSystem);
 
             foreach (var video in videos)
             {
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/DeleteTranscodeFileTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/DeleteTranscodeFileTask.cs
index c343a7d48..72b524df0 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/DeleteTranscodeFileTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/DeleteTranscodeFileTask.cs
@@ -4,6 +4,7 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Common.Configuration;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.Logging;
@@ -15,24 +16,18 @@ namespace Emby.Server.Implementations.ScheduledTasks.Tasks
     /// </summary>
     public class DeleteTranscodeFileTask : IScheduledTask, IConfigurableScheduledTask
     {
-        /// <summary>
-        /// Gets or sets the application paths.
-        /// </summary>
-        /// <value>The application paths.</value>
-        private ServerApplicationPaths ApplicationPaths { get; set; }
-
         private readonly ILogger _logger;
-
+        private readonly IConfigurationManager _configurationManager;
         private readonly IFileSystem _fileSystem;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="DeleteTranscodeFileTask" /> class.
         /// </summary>
-        public DeleteTranscodeFileTask(ServerApplicationPaths appPaths, ILogger logger, IFileSystem fileSystem)
+        public DeleteTranscodeFileTask(ILogger logger, IFileSystem fileSystem, IConfigurationManager configurationManager)
         {
-            ApplicationPaths = appPaths;
             _logger = logger;
             _fileSystem = fileSystem;
+            _configurationManager = configurationManager;
         }
 
         /// <summary>
@@ -52,14 +47,7 @@ namespace Emby.Server.Implementations.ScheduledTasks.Tasks
             var minDateModified = DateTime.UtcNow.AddDays(-1);
             progress.Report(50);
 
-            try
-            {
-                DeleteTempFilesFromDirectory(cancellationToken, ApplicationPaths.TranscodingTempPath, minDateModified, progress);
-            }
-            catch (DirectoryNotFoundException)
-            {
-                // No biggie here. Nothing to delete
-            }
+            DeleteTempFilesFromDirectory(cancellationToken, _configurationManager.GetTranscodePath(), minDateModified, progress);
 
             return Task.CompletedTask;
         }
@@ -138,13 +126,13 @@ namespace Emby.Server.Implementations.ScheduledTasks.Tasks
             }
         }
 
-        public string Name => "Transcoding temp cleanup";
+        public string Name => "Transcode file cleanup";
 
-        public string Description => "Deletes transcoding temp files older than 24 hours.";
+        public string Description => "Deletes transcode files more than 24 hours old.";
 
         public string Category => "Maintenance";
 
-        public string Key => "DeleteTranscodingTempFiles";
+        public string Key => "DeleteTranscodeFiles";
 
         public bool IsHidden => false;
 
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
index 7afeba9dd..909fffb1f 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
@@ -1,24 +1,23 @@
-using MediaBrowser.Common.Updates;
-using MediaBrowser.Model.Net;
 using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Common.Progress;
+using MediaBrowser.Common.Updates;
+using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.ScheduledTasks
 {
     /// <summary>
-    /// Plugin Update Task
+    /// Plugin Update Task.
     /// </summary>
     public class PluginUpdateTask : IScheduledTask, IConfigurableScheduledTask
     {
         /// <summary>
-        /// The _logger
+        /// The _logger.
         /// </summary>
         private readonly ILogger _logger;
 
@@ -31,7 +30,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         }
 
         /// <summary>
-        /// Creates the triggers that define when the task will run
+        /// Creates the triggers that define when the task will run.
         /// </summary>
         /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
         public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
@@ -44,16 +43,18 @@ namespace Emby.Server.Implementations.ScheduledTasks
         }
 
         /// <summary>
-        /// Update installed plugins
+        /// Update installed plugins.
         /// </summary>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <param name="progress">The progress.</param>
-        /// <returns>Task.</returns>
+        /// <returns><see cref="Task" />.</returns>
         public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
         {
             progress.Report(0);
 
-            var packagesToInstall = (await _installationManager.GetAvailablePluginUpdates(typeof(PluginUpdateTask).Assembly.GetName().Version, true, cancellationToken).ConfigureAwait(false)).ToList();
+            var packagesToInstall = await _installationManager.GetAvailablePluginUpdates(cancellationToken)
+                .ToListAsync(cancellationToken)
+                .ConfigureAwait(false);
 
             progress.Report(10);
 
@@ -94,18 +95,25 @@ namespace Emby.Server.Implementations.ScheduledTasks
             progress.Report(100);
         }
 
+        /// <inheritdoc />
         public string Name => "Check for plugin updates";
 
+        /// <inheritdoc />
         public string Description => "Downloads and installs updates for plugins that are configured to update automatically.";
 
+        /// <inheritdoc />
         public string Category => "Application";
 
+        /// <inheritdoc />
         public string Key => "PluginUpdates";
 
+        /// <inheritdoc />
         public bool IsHidden => false;
 
+        /// <inheritdoc />
         public bool IsEnabled => true;
 
+        /// <inheritdoc />
         public bool IsLogged => true;
     }
 }
diff --git a/Emby.Server.Implementations/ScheduledTasks/Triggers/DailyTrigger.cs b/Emby.Server.Implementations/ScheduledTasks/Triggers/DailyTrigger.cs
index ec9466c4a..ea278de0d 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Triggers/DailyTrigger.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Triggers/DailyTrigger.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Globalization;
 using System.Threading;
 using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.Logging;
@@ -7,12 +6,12 @@ using Microsoft.Extensions.Logging;
 namespace Emby.Server.Implementations.ScheduledTasks
 {
     /// <summary>
-    /// Represents a task trigger that fires everyday
+    /// Represents a task trigger that fires everyday.
     /// </summary>
     public class DailyTrigger : ITaskTrigger
     {
         /// <summary>
-        /// Get the time of day to trigger the task to run
+        /// Get the time of day to trigger the task to run.
         /// </summary>
         /// <value>The time of day.</value>
         public TimeSpan TimeOfDay { get; set; }
diff --git a/Emby.Server.Implementations/Serialization/XmlSerializer.cs b/Emby.Server.Implementations/Serialization/MyXmlSerializer.cs
index 6400ec16e..296822981 100644
--- a/Emby.Server.Implementations/Serialization/XmlSerializer.cs
+++ b/Emby.Server.Implementations/Serialization/MyXmlSerializer.cs
@@ -1,11 +1,9 @@
 using System;
-using System.Collections.Generic;
+using System.Collections.Concurrent;
 using System.IO;
 using System.Xml;
 using System.Xml.Serialization;
-using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Serialization;
-using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Serialization
 {
@@ -14,35 +12,13 @@ namespace Emby.Server.Implementations.Serialization
     /// </summary>
     public class MyXmlSerializer : IXmlSerializer
     {
-        private readonly IFileSystem _fileSystem;
-        private readonly ILogger _logger;
-
-        public MyXmlSerializer(
-            IFileSystem fileSystem,
-            ILoggerFactory loggerFactory)
-        {
-            _fileSystem = fileSystem;
-            _logger = loggerFactory.CreateLogger("XmlSerializer");
-        }
-
         // Need to cache these
         // http://dotnetcodebox.blogspot.com/2013/01/xmlserializer-class-may-result-in.html
-        private readonly Dictionary<string, XmlSerializer> _serializers =
-            new Dictionary<string, XmlSerializer>();
+        private static readonly ConcurrentDictionary<string, XmlSerializer> _serializers =
+            new ConcurrentDictionary<string, XmlSerializer>();
 
-        private XmlSerializer GetSerializer(Type type)
-        {
-            var key = type.FullName;
-            lock (_serializers)
-            {
-                if (!_serializers.TryGetValue(key, out var serializer))
-                {
-                    serializer = new XmlSerializer(type);
-                    _serializers[key] = serializer;
-                }
-                return serializer;
-            }
-        }
+        private static XmlSerializer GetSerializer(Type type)
+            => _serializers.GetOrAdd(type.FullName, _ => new XmlSerializer(type));
 
         /// <summary>
         /// Serializes to writer.
@@ -91,7 +67,6 @@ namespace Emby.Server.Implementations.Serialization
         /// <param name="file">The file.</param>
         public void SerializeToFile(object obj, string file)
         {
-            _logger.LogDebug("Serializing to file {0}", file);
             using (var stream = new FileStream(file, FileMode.Create))
             {
                 SerializeToStream(obj, stream);
@@ -106,7 +81,6 @@ namespace Emby.Server.Implementations.Serialization
         /// <returns>System.Object.</returns>
         public object DeserializeFromFile(Type type, string file)
         {
-            _logger.LogDebug("Deserializing file {0}", file);
             using (var stream = File.OpenRead(file))
             {
                 return DeserializeFromStream(type, stream);
diff --git a/Emby.Server.Implementations/ServerApplicationPaths.cs b/Emby.Server.Implementations/ServerApplicationPaths.cs
index 2f5a8af80..2f57c97a1 100644
--- a/Emby.Server.Implementations/ServerApplicationPaths.cs
+++ b/Emby.Server.Implementations/ServerApplicationPaths.cs
@@ -1,4 +1,3 @@
-using System;
 using System.IO;
 using Emby.Server.Implementations.AppBase;
 using MediaBrowser.Controller;
@@ -6,12 +5,10 @@ using MediaBrowser.Controller;
 namespace Emby.Server.Implementations
 {
     /// <summary>
-    /// Extends BaseApplicationPaths to add paths that are only applicable on the server
+    /// Extends BaseApplicationPaths to add paths that are only applicable on the server.
     /// </summary>
     public class ServerApplicationPaths : BaseApplicationPaths, IServerApplicationPaths
     {
-        private string _defaultTranscodingTempPath;
-        private string _transcodingTempPath;
         private string _internalMetadataPath;
 
         /// <summary>
@@ -23,7 +20,8 @@ namespace Emby.Server.Implementations
             string configurationDirectoryPath,
             string cacheDirectoryPath,
             string webDirectoryPath)
-            : base(programDataPath,
+            : base(
+                programDataPath,
                 logDirectoryPath,
                 configurationDirectoryPath,
                 cacheDirectoryPath,
@@ -31,8 +29,6 @@ namespace Emby.Server.Implementations
         {
         }
 
-        public string ApplicationResourcesPath { get; } = AppContext.BaseDirectory;
-
         /// <summary>
         /// Gets the path to the base root media directory.
         /// </summary>
@@ -46,17 +42,12 @@ namespace Emby.Server.Implementations
         public string DefaultUserViewsPath => Path.Combine(RootFolderPath, "default");
 
         /// <summary>
-        /// Gets the path to localization data.
-        /// </summary>
-        /// <value>The localization path.</value>
-        public string LocalizationPath => Path.Combine(ProgramDataPath, "localization");
-
-        /// <summary>
         /// Gets the path to the People directory.
         /// </summary>
         /// <value>The people path.</value>
         public string PeoplePath => Path.Combine(InternalMetadataPath, "People");
 
+        /// <inheritdoc />
         public string ArtistsPath => Path.Combine(InternalMetadataPath, "artists");
 
         /// <summary>
@@ -107,46 +98,14 @@ namespace Emby.Server.Implementations
         /// <value>The user configuration directory path.</value>
         public string UserConfigurationDirectoryPath => Path.Combine(ConfigurationDirectoryPath, "users");
 
-        public string DefaultTranscodingTempPath => _defaultTranscodingTempPath ?? (_defaultTranscodingTempPath = Path.Combine(ProgramDataPath, "transcoding-temp"));
-
-        public string TranscodingTempPath
-        {
-            get => _transcodingTempPath ?? (_transcodingTempPath = DefaultTranscodingTempPath);
-            set => _transcodingTempPath = value;
-        }
-
-        public string GetTranscodingTempPath()
-        {
-            var path = TranscodingTempPath;
-
-            if (!string.Equals(path, DefaultTranscodingTempPath, StringComparison.OrdinalIgnoreCase))
-            {
-                try
-                {
-                    Directory.CreateDirectory(path);
-
-                    var testPath = Path.Combine(path, Guid.NewGuid().ToString());
-                    Directory.CreateDirectory(testPath);
-                    Directory.Delete(testPath);
-
-                    return path;
-                }
-                catch
-                {
-                }
-            }
-
-            path = DefaultTranscodingTempPath;
-            Directory.CreateDirectory(path);
-            return path;
-        }
-
+        /// <inheritdoc />
         public string InternalMetadataPath
         {
             get => _internalMetadataPath ?? (_internalMetadataPath = Path.Combine(DataPath, "metadata"));
             set => _internalMetadataPath = value;
         }
 
+        /// <inheritdoc />
         public string VirtualInternalMetadataPath { get; } = "%MetadataPath%";
     }
 }
diff --git a/Emby.Server.Implementations/Services/ServicePath.cs b/Emby.Server.Implementations/Services/ServicePath.cs
index ccb28e8df..27c4dcba0 100644
--- a/Emby.Server.Implementations/Services/ServicePath.cs
+++ b/Emby.Server.Implementations/Services/ServicePath.cs
@@ -1,9 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Text;
+using System.Text.Json.Serialization;
 
 namespace Emby.Server.Implementations.Services
 {
@@ -28,6 +30,13 @@ namespace Emby.Server.Implementations.Services
         private readonly bool[] isWildcard;
         private readonly int wildcardCount = 0;
 
+        internal static string[] IgnoreAttributesNamed = new[]
+        {
+            nameof(JsonIgnoreAttribute)
+        };
+
+        private static Type _excludeType = typeof(Stream);
+
         public int VariableArgsCount { get; set; }
 
         /// <summary>
@@ -37,8 +46,8 @@ namespace Emby.Server.Implementations.Services
         public int PathComponentsCount { get; set; }
 
         /// <summary>
-        /// The total number of segments after subparts have been exploded ('.')
-        /// e.g. /path/to/here.ext == 4
+        /// Gets or sets the total number of segments after subparts have been exploded ('.')
+        /// e.g. /path/to/here.ext == 4.
         /// </summary>
         public int TotalComponentsCount { get; set; }
 
@@ -190,21 +199,12 @@ namespace Emby.Server.Implementations.Services
                     StringComparer.OrdinalIgnoreCase);
         }
 
-        internal static string[] IgnoreAttributesNamed = new[]
-        {
-            "IgnoreDataMemberAttribute",
-            "JsonIgnoreAttribute"
-        };
-
-
-        private static Type excludeType = typeof(Stream);
-
         internal static IEnumerable<PropertyInfo> GetSerializableProperties(Type type)
         {
             foreach (var prop in GetPublicProperties(type))
             {
                 if (prop.GetMethod == null
-                    || excludeType == prop.PropertyType)
+                    || _excludeType == prop.PropertyType)
                 {
                     continue;
                 }
@@ -280,7 +280,7 @@ namespace Emby.Server.Implementations.Services
         }
 
         /// <summary>
-        /// Provide for quick lookups based on hashes that can be determined from a request url
+        /// Provide for quick lookups based on hashes that can be determined from a request url.
         /// </summary>
         public string FirstMatchHashKey { get; private set; }
 
@@ -437,9 +437,12 @@ namespace Emby.Server.Implementations.Services
                     && requestComponents.Length >= this.TotalComponentsCount - this.wildcardCount;
 
                 if (!isValidWildCardPath)
-                    throw new ArgumentException(string.Format(
-                        "Path Mismatch: Request Path '{0}' has invalid number of components compared to: '{1}'",
-                        pathInfo, this.restPath));
+                    throw new ArgumentException(
+                        string.Format(
+                            CultureInfo.InvariantCulture,
+                            "Path Mismatch: Request Path '{0}' has invalid number of components compared to: '{1}'",
+                            pathInfo,
+                            this.restPath));
             }
 
             var requestKeyValuesMap = new Dictionary<string, string>();
diff --git a/Emby.Server.Implementations/Services/SwaggerService.cs b/Emby.Server.Implementations/Services/SwaggerService.cs
index d22386436..c30f32af9 100644
--- a/Emby.Server.Implementations/Services/SwaggerService.cs
+++ b/Emby.Server.Implementations/Services/SwaggerService.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using MediaBrowser.Controller.Net;
@@ -175,7 +175,7 @@ namespace Emby.Server.Implementations.Services
 
         private SwaggerTag[] GetTags()
         {
-            return new SwaggerTag[] { };
+            return Array.Empty<SwaggerTag>();
         }
 
         private Dictionary<string, SwaggerDefinition> GetDefinitions()
diff --git a/Emby.Server.Implementations/Session/HttpSessionController.cs b/Emby.Server.Implementations/Session/HttpSessionController.cs
index 1104a7a85..dfb81816c 100644
--- a/Emby.Server.Implementations/Session/HttpSessionController.cs
+++ b/Emby.Server.Implementations/Session/HttpSessionController.cs
@@ -105,7 +105,7 @@ namespace Emby.Server.Implementations.Session
             return SendMessage(command.Command.ToString(), messageId, args, cancellationToken);
         }
 
-        private string[] _supportedMessages = new string[] { };
+        private string[] _supportedMessages = Array.Empty<string>();
         public Task SendMessage<T>(string name, string messageId, T data, ISessionController[] allControllers, CancellationToken cancellationToken)
         {
             if (!IsSessionActive)
diff --git a/Emby.Server.Implementations/Session/SessionManager.cs b/Emby.Server.Implementations/Session/SessionManager.cs
index 68cd3c0ba..b87ca3a11 100644
--- a/Emby.Server.Implementations/Session/SessionManager.cs
+++ b/Emby.Server.Implementations/Session/SessionManager.cs
@@ -1386,27 +1386,28 @@ namespace Emby.Server.Implementations.Session
             if (user != null)
             {
                 // TODO: Move this to userManager?
-                if (!string.IsNullOrEmpty(request.DeviceId))
+                if (!string.IsNullOrEmpty(request.DeviceId)
+                    && !_deviceManager.CanAccessDevice(user, request.DeviceId))
                 {
-                    if (!_deviceManager.CanAccessDevice(user, request.DeviceId))
-                    {
-                        throw new SecurityException("User is not allowed access from this device.");
-                    }
+                    throw new SecurityException("User is not allowed access from this device.");
                 }
             }
 
             if (enforcePassword)
             {
-                var result = await _userManager.AuthenticateUser(request.Username, request.Password, request.PasswordSha1, request.RemoteEndPoint, true).ConfigureAwait(false);
-
-                if (result == null)
-                {
-                    AuthenticationFailed?.Invoke(this, new GenericEventArgs<AuthenticationRequest>(request));
+                user = await _userManager.AuthenticateUser(
+                    request.Username,
+                    request.Password,
+                    request.PasswordSha1,
+                    request.RemoteEndPoint,
+                    true).ConfigureAwait(false);
+            }
 
-                    throw new SecurityException("Invalid user or password entered.");
-                }
+            if (user == null)
+            {
+                AuthenticationFailed?.Invoke(this, new GenericEventArgs<AuthenticationRequest>(request));
 
-                user = result;
+                throw new SecurityException("Invalid user or password entered.");
             }
 
             var token = GetAuthorizationToken(user, request.DeviceId, request.App, request.AppVersion, request.DeviceName);
diff --git a/Emby.Server.Implementations/Session/SessionWebSocketListener.cs b/Emby.Server.Implementations/Session/SessionWebSocketListener.cs
index 63ec75762..930f2d35d 100644
--- a/Emby.Server.Implementations/Session/SessionWebSocketListener.cs
+++ b/Emby.Server.Implementations/Session/SessionWebSocketListener.cs
@@ -4,7 +4,6 @@ using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Events;
 using MediaBrowser.Model.Serialization;
-using MediaBrowser.Model.Services;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 
@@ -67,7 +66,7 @@ namespace Emby.Server.Implementations.Session
         {
             if (queryString == null)
             {
-                throw new ArgumentNullException(nameof(queryString));
+                return null;
             }
 
             var token = queryString["api_key"];
@@ -75,6 +74,7 @@ namespace Emby.Server.Implementations.Session
             {
                 return null;
             }
+
             var deviceId = queryString["deviceId"];
             return _sessionManager.GetSessionByAuthenticationToken(token, deviceId, remoteEndpoint);
         }
diff --git a/Emby.Server.Implementations/SocketSharp/SharpWebSocket.cs b/Emby.Server.Implementations/SocketSharp/SharpWebSocket.cs
index 62b16ed8c..67521d6c6 100644
--- a/Emby.Server.Implementations/SocketSharp/SharpWebSocket.cs
+++ b/Emby.Server.Implementations/SocketSharp/SharpWebSocket.cs
@@ -33,7 +33,7 @@ namespace Emby.Server.Implementations.SocketSharp
         }
 
         /// <summary>
-        /// Gets or sets the state.
+        /// Gets the state.
         /// </summary>
         /// <value>The state.</value>
         public WebSocketState State => _webSocket.State;
diff --git a/Emby.Server.Implementations/SocketSharp/WebSocketSharpListener.cs b/Emby.Server.Implementations/SocketSharp/WebSocketSharpListener.cs
index e93bff124..ba5ba1904 100644
--- a/Emby.Server.Implementations/SocketSharp/WebSocketSharpListener.cs
+++ b/Emby.Server.Implementations/SocketSharp/WebSocketSharpListener.cs
@@ -81,8 +81,10 @@ namespace Emby.Server.Implementations.SocketSharp
 
                 if (webSocketContext.State == WebSocketState.Open)
                 {
-                    await webSocketContext.CloseAsync(result.CloseStatus ?? WebSocketCloseStatus.NormalClosure,
-                        result.CloseStatusDescription, _disposeCancellationToken);
+                    await webSocketContext.CloseAsync(
+                        result.CloseStatus ?? WebSocketCloseStatus.NormalClosure,
+                        result.CloseStatusDescription,
+                        _disposeCancellationToken).ConfigureAwait(false);
                 }
 
                 socket.Dispose();
diff --git a/Emby.Server.Implementations/SocketSharp/WebSocketSharpRequest.cs b/Emby.Server.Implementations/SocketSharp/WebSocketSharpRequest.cs
index 332ce3903..1781df8b5 100644
--- a/Emby.Server.Implementations/SocketSharp/WebSocketSharpRequest.cs
+++ b/Emby.Server.Implementations/SocketSharp/WebSocketSharpRequest.cs
@@ -2,7 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Net;
-using System.Linq;
+using System.Net.Mime;
 using MediaBrowser.Common.Net;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Extensions;
@@ -13,11 +13,11 @@ using IHttpRequest = MediaBrowser.Model.Services.IHttpRequest;
 
 namespace Emby.Server.Implementations.SocketSharp
 {
-    public partial class WebSocketSharpRequest : IHttpRequest
+    public class WebSocketSharpRequest : IHttpRequest
     {
-        public const string FormUrlEncoded = "application/x-www-form-urlencoded";
-        public const string MultiPartFormData = "multipart/form-data";
-        public const string Soap11 = "text/xml; charset=utf-8";
+        private const string FormUrlEncoded = "application/x-www-form-urlencoded";
+        private const string MultiPartFormData = "multipart/form-data";
+        private const string Soap11 = "text/xml; charset=utf-8";
 
         private string _remoteIp;
         private Dictionary<string, object> _items;
@@ -78,7 +78,7 @@ namespace Emby.Server.Implementations.SocketSharp
             get =>
                 _responseContentType
                 ?? (_responseContentType = GetResponseContentType(Request));
-            set => this._responseContentType = value;
+            set => _responseContentType = value;
         }
 
         public string PathInfo => Request.Path.Value;
@@ -91,7 +91,6 @@ namespace Emby.Server.Implementations.SocketSharp
 
         public bool IsLocal => Request.HttpContext.Connection.LocalIpAddress.Equals(Request.HttpContext.Connection.RemoteIpAddress);
 
-
         public string HttpMethod => Request.Method;
 
         public string Verb => HttpMethod;
@@ -124,24 +123,29 @@ namespace Emby.Server.Implementations.SocketSharp
                 return specifiedContentType;
             }
 
-            const string serverDefaultContentType = "application/json";
+            const string ServerDefaultContentType = MediaTypeNames.Application.Json;
 
             var acceptContentTypes = httpReq.Headers.GetCommaSeparatedValues(HeaderNames.Accept);
             string defaultContentType = null;
             if (HasAnyOfContentTypes(httpReq, FormUrlEncoded, MultiPartFormData))
             {
-                defaultContentType = serverDefaultContentType;
+                defaultContentType = ServerDefaultContentType;
             }
 
             var acceptsAnything = false;
             var hasDefaultContentType = defaultContentType != null;
             if (acceptContentTypes != null)
             {
-                foreach (var acceptsType in acceptContentTypes)
+                foreach (ReadOnlySpan<char> acceptsType in acceptContentTypes)
                 {
-                    // TODO: @bond move to Span when Span.Split lands
-                    // https://github.com/dotnet/corefx/issues/26528
-                    var contentType = acceptsType?.Split(';')[0].Trim();
+                    ReadOnlySpan<char> contentType = acceptsType;
+                    var index = contentType.IndexOf(';');
+                    if (index != -1)
+                    {
+                        contentType = contentType.Slice(0, index);
+                    }
+
+                    contentType = contentType.Trim();
                     acceptsAnything = contentType.Equals("*/*", StringComparison.OrdinalIgnoreCase);
 
                     if (acceptsAnything)
@@ -158,7 +162,7 @@ namespace Emby.Server.Implementations.SocketSharp
                     }
                     else
                     {
-                        return serverDefaultContentType;
+                        return ServerDefaultContentType;
                     }
                 }
             }
@@ -169,7 +173,7 @@ namespace Emby.Server.Implementations.SocketSharp
             }
 
             // We could also send a '406 Not Acceptable', but this is allowed also
-            return serverDefaultContentType;
+            return ServerDefaultContentType;
         }
 
         public static bool HasAnyOfContentTypes(HttpRequest request, params string[] contentTypes)
@@ -197,12 +201,12 @@ namespace Emby.Server.Implementations.SocketSharp
 
         private static string GetQueryStringContentType(HttpRequest httpReq)
         {
-            ReadOnlySpan<char> format = httpReq.Query["format"].ToString().AsSpan();
+            ReadOnlySpan<char> format = httpReq.Query["format"].ToString();
             if (format == null)
             {
-                const int formatMaxLength = 4;
-                ReadOnlySpan<char> pi = httpReq.Path.ToString().AsSpan();
-                if (pi == null || pi.Length <= formatMaxLength)
+                const int FormatMaxLength = 4;
+                ReadOnlySpan<char> pi = httpReq.Path.ToString();
+                if (pi == null || pi.Length <= FormatMaxLength)
                 {
                     return null;
                 }
@@ -213,18 +217,18 @@ namespace Emby.Server.Implementations.SocketSharp
                 }
 
                 format = LeftPart(pi, '/');
-                if (format.Length > formatMaxLength)
+                if (format.Length > FormatMaxLength)
                 {
                     return null;
                 }
             }
 
             format = LeftPart(format, '.');
-            if (format.Contains("json".AsSpan(), StringComparison.OrdinalIgnoreCase))
+            if (format.Contains("json", StringComparison.OrdinalIgnoreCase))
             {
                 return "application/json";
             }
-            else if (format.Contains("xml".AsSpan(), StringComparison.OrdinalIgnoreCase))
+            else if (format.Contains("xml", StringComparison.OrdinalIgnoreCase))
             {
                 return "application/xml";
             }
diff --git a/Emby.Server.Implementations/Sorting/NameComparer.cs b/Emby.Server.Implementations/Sorting/NameComparer.cs
index 10fa4359a..4eb1549f5 100644
--- a/Emby.Server.Implementations/Sorting/NameComparer.cs
+++ b/Emby.Server.Implementations/Sorting/NameComparer.cs
@@ -19,10 +19,14 @@ namespace Emby.Server.Implementations.Sorting
         public int Compare(BaseItem x, BaseItem y)
         {
             if (x == null)
+            {
                 throw new ArgumentNullException(nameof(x));
+            }
 
             if (y == null)
+            {
                 throw new ArgumentNullException(nameof(y));
+            }
 
             return string.Compare(x.Name, y.Name, StringComparison.CurrentCultureIgnoreCase);
         }
diff --git a/Emby.Server.Implementations/Sorting/OfficialRatingComparer.cs b/Emby.Server.Implementations/Sorting/OfficialRatingComparer.cs
index e8fa8edc8..7afbd9ff7 100644
--- a/Emby.Server.Implementations/Sorting/OfficialRatingComparer.cs
+++ b/Emby.Server.Implementations/Sorting/OfficialRatingComparer.cs
@@ -24,10 +24,14 @@ namespace Emby.Server.Implementations.Sorting
         public int Compare(BaseItem x, BaseItem y)
         {
             if (x == null)
+            {
                 throw new ArgumentNullException(nameof(x));
+            }
 
             if (y == null)
+            {
                 throw new ArgumentNullException(nameof(y));
+            }
 
             var levelX = string.IsNullOrEmpty(x.OfficialRating) ? 0 : _localization.GetRatingLevel(x.OfficialRating) ?? 0;
             var levelY = string.IsNullOrEmpty(y.OfficialRating) ? 0 : _localization.GetRatingLevel(y.OfficialRating) ?? 0;
diff --git a/Emby.Server.Implementations/Sorting/StudioComparer.cs b/Emby.Server.Implementations/Sorting/StudioComparer.cs
index 617ed55d5..c9ac765c1 100644
--- a/Emby.Server.Implementations/Sorting/StudioComparer.cs
+++ b/Emby.Server.Implementations/Sorting/StudioComparer.cs
@@ -17,10 +17,15 @@ namespace Emby.Server.Implementations.Sorting
         public int Compare(BaseItem x, BaseItem y)
         {
             if (x == null)
+            {
                 throw new ArgumentNullException(nameof(x));
+            }
 
             if (y == null)
+            {
                 throw new ArgumentNullException(nameof(y));
+            }
+
             return AlphanumComparator.CompareValues(x.Studios.FirstOrDefault() ?? string.Empty, y.Studios.FirstOrDefault() ?? string.Empty);
         }
 
diff --git a/Emby.Server.Implementations/Updates/InstallationManager.cs b/Emby.Server.Implementations/Updates/InstallationManager.cs
index 0c0c77cda..09a5a0dca 100644
--- a/Emby.Server.Implementations/Updates/InstallationManager.cs
+++ b/Emby.Server.Implementations/Updates/InstallationManager.cs
@@ -19,52 +19,18 @@ using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Updates;
 using Microsoft.Extensions.Logging;
-using static MediaBrowser.Common.HexHelper;
 
 namespace Emby.Server.Implementations.Updates
 {
     /// <summary>
-    /// Manages all install, uninstall and update operations (both plugins and system)
+    /// Manages all install, uninstall and update operations (both plugins and system).
     /// </summary>
     public class InstallationManager : IInstallationManager
     {
-        public event EventHandler<InstallationEventArgs> PackageInstalling;
-        public event EventHandler<InstallationEventArgs> PackageInstallationCompleted;
-        public event EventHandler<InstallationFailedEventArgs> PackageInstallationFailed;
-        public event EventHandler<InstallationEventArgs> PackageInstallationCancelled;
-
-        /// <summary>
-        /// The current installations
-        /// </summary>
-        private List<(InstallationInfo info, CancellationTokenSource token)> _currentInstallations { get; set; }
-
         /// <summary>
-        /// The completed installations
-        /// </summary>
-        private ConcurrentBag<InstallationInfo> _completedInstallationsInternal;
-
-        public IEnumerable<InstallationInfo> CompletedInstallations => _completedInstallationsInternal;
-
-        /// <summary>
-        /// Occurs when [plugin uninstalled].
-        /// </summary>
-        public event EventHandler<GenericEventArgs<IPlugin>> PluginUninstalled;
-
-        /// <summary>
-        /// Occurs when [plugin updated].
-        /// </summary>
-        public event EventHandler<GenericEventArgs<(IPlugin, PackageVersionInfo)>> PluginUpdated;
-
-        /// <summary>
-        /// Occurs when [plugin updated].
-        /// </summary>
-        public event EventHandler<GenericEventArgs<PackageVersionInfo>> PluginInstalled;
-
-        /// <summary>
-        /// The _logger
+        /// The _logger.
         /// </summary>
         private readonly ILogger _logger;
-
         private readonly IApplicationPaths _appPaths;
         private readonly IHttpClient _httpClient;
         private readonly IJsonSerializer _jsonSerializer;
@@ -79,6 +45,18 @@ namespace Emby.Server.Implementations.Updates
 
         private readonly IZipClient _zipClient;
 
+        private readonly object _currentInstallationsLock = new object();
+
+        /// <summary>
+        /// The current installations.
+        /// </summary>
+        private readonly List<(InstallationInfo info, CancellationTokenSource token)> _currentInstallations;
+
+        /// <summary>
+        /// The completed installations.
+        /// </summary>
+        private readonly ConcurrentBag<InstallationInfo> _completedInstallationsInternal;
+
         public InstallationManager(
             ILogger<InstallationManager> logger,
             IApplicationHost appHost,
@@ -107,26 +85,32 @@ namespace Emby.Server.Implementations.Updates
             _zipClient = zipClient;
         }
 
-        /// <summary>
-        /// Gets all available packages.
-        /// </summary>
-        /// <returns>Task{List{PackageInfo}}.</returns>
-        public async Task<List<PackageInfo>> GetAvailablePackages(
-            CancellationToken cancellationToken,
-            bool withRegistration = true,
-            string packageType = null,
-            Version applicationVersion = null)
-        {
-            var packages = await GetAvailablePackagesWithoutRegistrationInfo(cancellationToken).ConfigureAwait(false);
-            return FilterPackages(packages, packageType, applicationVersion);
-        }
+        /// <inheritdoc />
+        public event EventHandler<InstallationEventArgs> PackageInstalling;
 
-        /// <summary>
-        /// Gets all available packages.
-        /// </summary>
-        /// <param name="cancellationToken">The cancellation token.</param>
-        /// <returns>Task{List{PackageInfo}}.</returns>
-        public async Task<List<PackageInfo>> GetAvailablePackagesWithoutRegistrationInfo(CancellationToken cancellationToken)
+        /// <inheritdoc />
+        public event EventHandler<InstallationEventArgs> PackageInstallationCompleted;
+
+        /// <inheritdoc />
+        public event EventHandler<InstallationFailedEventArgs> PackageInstallationFailed;
+
+        /// <inheritdoc />
+        public event EventHandler<InstallationEventArgs> PackageInstallationCancelled;
+
+        /// <inheritdoc />
+        public event EventHandler<GenericEventArgs<IPlugin>> PluginUninstalled;
+
+        /// <inheritdoc />
+        public event EventHandler<GenericEventArgs<(IPlugin, PackageVersionInfo)>> PluginUpdated;
+
+        /// <inheritdoc />
+        public event EventHandler<GenericEventArgs<PackageVersionInfo>> PluginInstalled;
+
+        /// <inheritdoc />
+        public IEnumerable<InstallationInfo> CompletedInstallations => _completedInstallationsInternal;
+
+        /// <inheritdoc />
+        public async Task<IReadOnlyList<PackageInfo>> GetAvailablePackages(CancellationToken cancellationToken = default)
         {
             using (var response = await _httpClient.SendAsync(
                 new HttpRequestOptions
@@ -134,178 +118,95 @@ namespace Emby.Server.Implementations.Updates
                     Url = "https://repo.jellyfin.org/releases/plugin/manifest.json",
                     CancellationToken = cancellationToken,
                     CacheMode = CacheMode.Unconditional,
-                    CacheLength = GetCacheLength()
+                    CacheLength = TimeSpan.FromMinutes(3)
                 },
                 HttpMethod.Get).ConfigureAwait(false))
             using (Stream stream = response.Content)
             {
-                return FilterPackages(await _jsonSerializer.DeserializeFromStreamAsync<PackageInfo[]>(stream).ConfigureAwait(false));
+                return await _jsonSerializer.DeserializeFromStreamAsync<IReadOnlyList<PackageInfo>>(
+                    stream).ConfigureAwait(false);
             }
         }
 
-        private static TimeSpan GetCacheLength()
-        {
-            return TimeSpan.FromMinutes(3);
-        }
-
-        protected List<PackageInfo> FilterPackages(IEnumerable<PackageInfo> packages)
+        /// <inheritdoc />
+        public IEnumerable<PackageInfo> FilterPackages(
+            IEnumerable<PackageInfo> availablePackages,
+            string name = null,
+            Guid guid = default)
         {
-            var list = new List<PackageInfo>();
-
-            foreach (var package in packages)
+            if (name != null)
             {
-                var versions = new List<PackageVersionInfo>();
-                foreach (var version in package.versions)
-                {
-                    if (string.IsNullOrEmpty(version.sourceUrl))
-                    {
-                        continue;
-                    }
-
-                    versions.Add(version);
-                }
-
-                package.versions = versions
-                    .OrderByDescending(x => x.Version)
-                    .ToArray();
-
-                if (package.versions.Length == 0)
-                {
-                    continue;
-                }
-
-                list.Add(package);
+                availablePackages = availablePackages.Where(x => x.name.Equals(name, StringComparison.OrdinalIgnoreCase));
             }
 
-            // Remove packages with no versions
-            return list;
-        }
-
-        protected List<PackageInfo> FilterPackages(IEnumerable<PackageInfo> packages, string packageType, Version applicationVersion)
-        {
-            var packagesList = FilterPackages(packages);
-
-            var returnList = new List<PackageInfo>();
-
-            var filterOnPackageType = !string.IsNullOrEmpty(packageType);
-
-            foreach (var p in packagesList)
+            if (guid != Guid.Empty)
             {
-                if (filterOnPackageType && !string.Equals(p.type, packageType, StringComparison.OrdinalIgnoreCase))
-                {
-                    continue;
-                }
-
-                // If an app version was supplied, filter the versions for each package to only include supported versions
-                if (applicationVersion != null)
-                {
-                    p.versions = p.versions.Where(v => IsPackageVersionUpToDate(v, applicationVersion)).ToArray();
-                }
-
-                if (p.versions.Length == 0)
-                {
-                    continue;
-                }
-
-                returnList.Add(p);
+                var strGuid = guid.ToString("N", CultureInfo.InvariantCulture);
+                availablePackages = availablePackages.Where(x => x.guid.Equals(strGuid, StringComparison.OrdinalIgnoreCase));
             }
 
-            return returnList;
+            return availablePackages;
         }
 
-        /// <summary>
-        /// Determines whether [is package version up to date] [the specified package version info].
-        /// </summary>
-        /// <param name="packageVersionInfo">The package version info.</param>
-        /// <param name="currentServerVersion">The current server version.</param>
-        /// <returns><c>true</c> if [is package version up to date] [the specified package version info]; otherwise, <c>false</c>.</returns>
-        private static bool IsPackageVersionUpToDate(PackageVersionInfo packageVersionInfo, Version currentServerVersion)
+        /// <inheritdoc />
+        public IEnumerable<PackageVersionInfo> GetCompatibleVersions(
+            IEnumerable<PackageVersionInfo> availableVersions,
+            Version minVersion = null,
+            PackageVersionClass classification = PackageVersionClass.Release)
         {
-            if (string.IsNullOrEmpty(packageVersionInfo.requiredVersionStr))
+            var appVer = _applicationHost.ApplicationVersion;
+            availableVersions = availableVersions
+                .Where(x => x.classification == classification
+                    && Version.Parse(x.requiredVersionStr) <= appVer);
+
+            if (minVersion != null)
             {
-                return true;
+                availableVersions = availableVersions.Where(x => x.Version >= minVersion);
             }
 
-            return Version.TryParse(packageVersionInfo.requiredVersionStr, out var requiredVersion) && currentServerVersion >= requiredVersion;
+            return availableVersions.OrderByDescending(x => x.Version);
         }
 
-        /// <summary>
-        /// Gets the package.
-        /// </summary>
-        /// <param name="name">The name.</param>
-        /// <param name="guid">The assembly guid</param>
-        /// <param name="classification">The classification.</param>
-        /// <param name="version">The version.</param>
-        /// <returns>Task{PackageVersionInfo}.</returns>
-        public async Task<PackageVersionInfo> GetPackage(string name, string guid, PackageVersionClass classification, Version version)
+        /// <inheritdoc />
+        public IEnumerable<PackageVersionInfo> GetCompatibleVersions(
+            IEnumerable<PackageInfo> availablePackages,
+            string name = null,
+            Guid guid = default,
+            Version minVersion = null,
+            PackageVersionClass classification = PackageVersionClass.Release)
         {
-            var packages = await GetAvailablePackages(CancellationToken.None, false).ConfigureAwait(false);
-
-            var package = packages.FirstOrDefault(p => string.Equals(p.guid, guid ?? "none", StringComparison.OrdinalIgnoreCase))
-                            ?? packages.FirstOrDefault(p => p.name.Equals(name, StringComparison.OrdinalIgnoreCase));
+            var package = FilterPackages(availablePackages, name, guid).FirstOrDefault();
 
+            // Package not found.
             if (package == null)
             {
-                return null;
+                return Enumerable.Empty<PackageVersionInfo>();
             }
 
-            return package.versions.FirstOrDefault(v => v.Version == version && v.classification == classification);
-        }
-
-        /// <summary>
-        /// Gets the latest compatible version.
-        /// </summary>
-        /// <param name="name">The name.</param>
-        /// <param name="guid">The assembly guid if this is a plug-in</param>
-        /// <param name="currentServerVersion">The current server version.</param>
-        /// <param name="classification">The classification.</param>
-        /// <returns>Task{PackageVersionInfo}.</returns>
-        public async Task<PackageVersionInfo> GetLatestCompatibleVersion(string name, string guid, Version currentServerVersion, PackageVersionClass classification = PackageVersionClass.Release)
-        {
-            var packages = await GetAvailablePackages(CancellationToken.None, false).ConfigureAwait(false);
-
-            return GetLatestCompatibleVersion(packages, name, guid, currentServerVersion, classification);
+            return GetCompatibleVersions(
+                package.versions,
+                minVersion,
+                classification);
         }
 
-        /// <summary>
-        /// Gets the latest compatible version.
-        /// </summary>
-        /// <param name="availablePackages">The available packages.</param>
-        /// <param name="name">The name.</param>
-        /// <param name="currentServerVersion">The current server version.</param>
-        /// <param name="classification">The classification.</param>
-        /// <returns>PackageVersionInfo.</returns>
-        public PackageVersionInfo GetLatestCompatibleVersion(IEnumerable<PackageInfo> availablePackages, string name, string guid, Version currentServerVersion, PackageVersionClass classification = PackageVersionClass.Release)
-        {
-            var package = availablePackages.FirstOrDefault(p => string.Equals(p.guid, guid ?? "none", StringComparison.OrdinalIgnoreCase))
-                            ?? availablePackages.FirstOrDefault(p => p.name.Equals(name, StringComparison.OrdinalIgnoreCase));
-
-            return package?.versions
-                .OrderByDescending(x => x.Version)
-                .FirstOrDefault(v => v.classification <= classification && IsPackageVersionUpToDate(v, currentServerVersion));
-        }
-
-        /// <summary>
-        /// Gets the available plugin updates.
-        /// </summary>
-        /// <param name="applicationVersion">The current server version.</param>
-        /// <param name="withAutoUpdateEnabled">if set to <c>true</c> [with auto update enabled].</param>
-        /// <param name="cancellationToken">The cancellation token.</param>
-        /// <returns>Task{IEnumerable{PackageVersionInfo}}.</returns>
-        public async Task<IEnumerable<PackageVersionInfo>> GetAvailablePluginUpdates(Version applicationVersion, bool withAutoUpdateEnabled, CancellationToken cancellationToken)
+        /// <inheritdoc />
+        public async IAsyncEnumerable<PackageVersionInfo> GetAvailablePluginUpdates(CancellationToken cancellationToken = default)
         {
-            var catalog = await GetAvailablePackagesWithoutRegistrationInfo(cancellationToken).ConfigureAwait(false);
+            var catalog = await GetAvailablePackages(cancellationToken).ConfigureAwait(false);
 
             var systemUpdateLevel = _applicationHost.SystemUpdateLevel;
 
             // Figure out what needs to be installed
-            return _applicationHost.Plugins.Select(p =>
+            foreach (var plugin in _applicationHost.Plugins)
             {
-                var latestPluginInfo = GetLatestCompatibleVersion(catalog, p.Name, p.Id.ToString(), applicationVersion, systemUpdateLevel);
-
-                return latestPluginInfo != null && latestPluginInfo.Version > p.Version ? latestPluginInfo : null;
-            }).Where(i => i != null)
-            .Where(p => !string.IsNullOrEmpty(p.sourceUrl) && !CompletedInstallations.Any(i => string.Equals(i.AssemblyGuid, p.guid, StringComparison.OrdinalIgnoreCase)));
+                var compatibleversions = GetCompatibleVersions(catalog, plugin.Name, plugin.Id, plugin.Version, systemUpdateLevel);
+                var version = compatibleversions.FirstOrDefault(y => y.Version > plugin.Version);
+                if (version != null
+                    && !CompletedInstallations.Any(x => string.Equals(x.AssemblyGuid, version.guid, StringComparison.OrdinalIgnoreCase)))
+                {
+                    yield return version;
+                }
+            }
         }
 
         /// <inheritdoc />
@@ -330,7 +231,7 @@ namespace Emby.Server.Implementations.Updates
             var tuple = (installationInfo, innerCancellationTokenSource);
 
             // Add it to the in-progress list
-            lock (_currentInstallations)
+            lock (_currentInstallationsLock)
             {
                 _currentInstallations.Add(tuple);
             }
@@ -349,7 +250,7 @@ namespace Emby.Server.Implementations.Updates
             {
                 await InstallPackageInternal(package, linkedToken).ConfigureAwait(false);
 
-                lock (_currentInstallations)
+                lock (_currentInstallationsLock)
                 {
                     _currentInstallations.Remove(tuple);
                 }
@@ -360,7 +261,7 @@ namespace Emby.Server.Implementations.Updates
             }
             catch (OperationCanceledException)
             {
-                lock (_currentInstallations)
+                lock (_currentInstallationsLock)
                 {
                     _currentInstallations.Remove(tuple);
                 }
@@ -375,7 +276,7 @@ namespace Emby.Server.Implementations.Updates
             {
                 _logger.LogError(ex, "Package installation failed");
 
-                lock (_currentInstallations)
+                lock (_currentInstallationsLock)
                 {
                     _currentInstallations.Remove(tuple);
                 }
@@ -391,7 +292,7 @@ namespace Emby.Server.Implementations.Updates
             finally
             {
                 // Dispose the progress object and remove the installation from the in-progress list
-                tuple.Item2.Dispose();
+                tuple.innerCancellationTokenSource.Dispose();
             }
         }
 
@@ -439,7 +340,7 @@ namespace Emby.Server.Implementations.Updates
             // Always override the passed-in target (which is a file) and figure it out again
             string targetDir = Path.Combine(_appPaths.PluginsPath, package.name);
 
-// CA5351: Do Not Use Broken Cryptographic Algorithms
+            // CA5351: Do Not Use Broken Cryptographic Algorithms
 #pragma warning disable CA5351
             using (var res = await _httpClient.SendAsync(
                 new HttpRequestOptions
@@ -455,7 +356,7 @@ namespace Emby.Server.Implementations.Updates
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
-                var hash = ToHexString(md5.ComputeHash(stream));
+                var hash = Hex.Encode(md5.ComputeHash(stream));
                 if (!string.Equals(package.checksum, hash, StringComparison.OrdinalIgnoreCase))
                 {
                     _logger.LogError(
@@ -535,20 +436,21 @@ namespace Emby.Server.Implementations.Updates
         /// <inheritdoc/>
         public bool CancelInstallation(Guid id)
         {
-            lock (_currentInstallations)
+            lock (_currentInstallationsLock)
             {
-                var install = _currentInstallations.Find(x => x.Item1.Id == id);
+                var install = _currentInstallations.Find(x => x.info.Id == id);
                 if (install == default((InstallationInfo, CancellationTokenSource)))
                 {
                     return false;
                 }
 
-                install.Item2.Cancel();
+                install.token.Cancel();
                 _currentInstallations.Remove(install);
                 return true;
             }
         }
 
+        /// <inheritdoc />
         public void Dispose()
         {
             Dispose(true);
@@ -563,11 +465,11 @@ namespace Emby.Server.Implementations.Updates
         {
             if (dispose)
             {
-                lock (_currentInstallations)
+                lock (_currentInstallationsLock)
                 {
                     foreach (var tuple in _currentInstallations)
                     {
-                        tuple.Item2.Dispose();
+                        tuple.token.Dispose();
                     }
 
                     _currentInstallations.Clear();
diff --git a/Emby.Server.Implementations/WebSockets/WebSocketManager.cs b/Emby.Server.Implementations/WebSockets/WebSocketManager.cs
index 04c73ecea..efd97e4ff 100644
--- a/Emby.Server.Implementations/WebSockets/WebSocketManager.cs
+++ b/Emby.Server.Implementations/WebSockets/WebSocketManager.cs
@@ -39,12 +39,12 @@ namespace Emby.Server.Implementations.WebSockets
             do
             {
                 var buffer = WebSocket.CreateServerBuffer(BufferSize);
-                result = await webSocket.ReceiveAsync(buffer, cancellationToken);
+                result = await webSocket.ReceiveAsync(buffer, cancellationToken).ConfigureAwait(false);
                 message.AddRange(buffer.Array.Take(result.Count));
 
                 if (result.EndOfMessage)
                 {
-                    await ProcessMessage(message.ToArray(), taskCompletionSource);
+                    await ProcessMessage(message.ToArray(), taskCompletionSource).ConfigureAwait(false);
                     message.Clear();
                 }
             } while (!taskCompletionSource.Task.IsCompleted &&
@@ -53,8 +53,10 @@ namespace Emby.Server.Implementations.WebSockets
 
             if (webSocket.State == WebSocketState.Open)
             {
-                await webSocket.CloseAsync(result.CloseStatus ?? WebSocketCloseStatus.NormalClosure,
-                    result.CloseStatusDescription, cancellationToken);
+                await webSocket.CloseAsync(
+                    result.CloseStatus ?? WebSocketCloseStatus.NormalClosure,
+                    result.CloseStatusDescription,
+                    cancellationToken).ConfigureAwait(false);
             }
         }