Merge branch 'master' into removeGlobalSubtitleConfiguration

18 files changed, 149 insertions, 140 deletions

diff --git a/MediaBrowser.Model/Activity/IActivityManager.cs b/MediaBrowser.Model/Activity/IActivityManager.cs
index 95aa567ada..96958e9a73 100644
--- a/MediaBrowser.Model/Activity/IActivityManager.cs
+++ b/MediaBrowser.Model/Activity/IActivityManager.cs
@@ -1,5 +1,3 @@
-#pragma warning disable CS1591
-
 using System;
 using System.Threading.Tasks;
 using Jellyfin.Data.Events;
@@ -7,21 +5,36 @@ using Jellyfin.Data.Queries;
 using Jellyfin.Database.Implementations.Entities;
 using MediaBrowser.Model.Querying;
 
-namespace MediaBrowser.Model.Activity
+namespace MediaBrowser.Model.Activity;
+
+/// <summary>
+/// Interface for the activity manager.
+/// </summary>
+public interface IActivityManager
 {
-    public interface IActivityManager
-    {
-        event EventHandler<GenericEventArgs<ActivityLogEntry>> EntryCreated;
+    /// <summary>
+    /// The event that is triggered when an entity is created.
+    /// </summary>
+    event EventHandler<GenericEventArgs<ActivityLogEntry>> EntryCreated;
 
-        Task CreateAsync(ActivityLog entry);
+    /// <summary>
+    /// Create a new activity log entry.
+    /// </summary>
+    /// <param name="entry">The entry to create.</param>
+    /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+    Task CreateAsync(ActivityLog entry);
 
-        Task<QueryResult<ActivityLogEntry>> GetPagedResultAsync(ActivityLogQuery query);
+    /// <summary>
+    /// Get a paged list of activity log entries.
+    /// </summary>
+    /// <param name="query">The activity log query.</param>
+    /// <returns>The page of entries.</returns>
+    Task<QueryResult<ActivityLogEntry>> GetPagedResultAsync(ActivityLogQuery query);
 
-        /// <summary>
-        /// Remove all activity logs before the specified date.
-        /// </summary>
-        /// <param name="startDate">Activity log start date.</param>
-        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
-        Task CleanAsync(DateTime startDate);
-    }
+    /// <summary>
+    /// Remove all activity logs before the specified date.
+    /// </summary>
+    /// <param name="startDate">Activity log start date.</param>
+    /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+    Task CleanAsync(DateTime startDate);
 }
diff --git a/MediaBrowser.Model/Configuration/EncodingOptions.cs b/MediaBrowser.Model/Configuration/EncodingOptions.cs
index 2720c0bdf6..98fc2e632f 100644
--- a/MediaBrowser.Model/Configuration/EncodingOptions.cs
+++ b/MediaBrowser.Model/Configuration/EncodingOptions.cs
@@ -1,6 +1,7 @@
 #pragma warning disable CA1819 // XML serialization handles collections improperly, so we need to use arrays
 
 #nullable disable
+using System.ComponentModel;
 using MediaBrowser.Model.Entities;
 
 namespace MediaBrowser.Model.Configuration;
@@ -57,8 +58,10 @@ public class EncodingOptions
         AllowHevcEncoding = false;
         AllowAv1Encoding = false;
         EnableSubtitleExtraction = true;
+        SubtitleExtractionTimeoutMinutes = 30;
         AllowOnDemandMetadataBasedKeyframeExtractionForExtensions = ["mkv"];
         HardwareDecodingCodecs = ["h264", "vc1"];
+        HlsAudioSeekStrategy = HlsAudioSeekStrategy.DisableAccurateSeek;
     }
 
     /// <summary>
@@ -287,6 +290,11 @@ public class EncodingOptions
     public bool EnableSubtitleExtraction { get; set; }
 
     /// <summary>
+    /// Gets or sets the timeout for subtitle extraction in minutes.
+    /// </summary>
+    public int SubtitleExtractionTimeoutMinutes { get; set; }
+
+    /// <summary>
     /// Gets or sets the codecs hardware encoding is used for.
     /// </summary>
     public string[] HardwareDecodingCodecs { get; set; }
@@ -295,4 +303,10 @@ public class EncodingOptions
     /// Gets or sets the file extensions on-demand metadata based keyframe extraction is enabled for.
     /// </summary>
     public string[] AllowOnDemandMetadataBasedKeyframeExtractionForExtensions { get; set; }
+
+    /// <summary>
+    /// Gets or sets the method used for audio seeking in HLS.
+    /// </summary>
+    [DefaultValue(HlsAudioSeekStrategy.DisableAccurateSeek)]
+    public HlsAudioSeekStrategy HlsAudioSeekStrategy { get; set; }
 }
diff --git a/MediaBrowser.Model/Configuration/HlsAudioSeekStrategy.cs b/MediaBrowser.Model/Configuration/HlsAudioSeekStrategy.cs
new file mode 100644
index 0000000000..49feeb435f
--- /dev/null
+++ b/MediaBrowser.Model/Configuration/HlsAudioSeekStrategy.cs
@@ -0,0 +1,23 @@
+namespace MediaBrowser.Model.Configuration
+{
+    /// <summary>
+    /// An enum representing the options to seek the input audio stream when
+    /// transcoding HLS segments.
+    /// </summary>
+    public enum HlsAudioSeekStrategy
+    {
+        /// <summary>
+        /// If the video stream is transcoded and the audio stream is copied,
+        /// seek the video stream to the same keyframe as the audio stream. The
+        /// resulting timestamps in the output streams may be inaccurate.
+        /// </summary>
+        DisableAccurateSeek = 0,
+
+        /// <summary>
+        /// Prevent audio streams from being copied if the video stream is transcoded.
+        /// The resulting timestamps will be accurate, but additional audio transcoding
+        /// overhead will be incurred.
+        /// </summary>
+        TranscodeAudio = 1,
+    }
+}
diff --git a/MediaBrowser.Model/Configuration/ServerConfiguration.cs b/MediaBrowser.Model/Configuration/ServerConfiguration.cs
index a58c01c960..ac5c12304e 100644
--- a/MediaBrowser.Model/Configuration/ServerConfiguration.cs
+++ b/MediaBrowser.Model/Configuration/ServerConfiguration.cs
@@ -287,5 +287,5 @@ public class ServerConfiguration : BaseApplicationConfiguration
     /// <summary>
     /// Gets or sets a value indicating whether old authorization methods are allowed.
     /// </summary>
-    public bool EnableLegacyAuthorization { get; set; } = true;
+    public bool EnableLegacyAuthorization { get; set; }
 }
diff --git a/MediaBrowser.Model/Dlna/ConditionProcessor.cs b/MediaBrowser.Model/Dlna/ConditionProcessor.cs
index 1b61bfe155..79ee683a2d 100644
--- a/MediaBrowser.Model/Dlna/ConditionProcessor.cs
+++ b/MediaBrowser.Model/Dlna/ConditionProcessor.cs
@@ -324,7 +324,7 @@ namespace MediaBrowser.Model.Dlna
                 return !condition.IsRequired;
             }
 
-            var expected = (TransportStreamTimestamp)Enum.Parse(typeof(TransportStreamTimestamp), condition.Value, true);
+            var expected = Enum.Parse<TransportStreamTimestamp>(condition.Value, true);
 
             switch (condition.Condition)
             {
diff --git a/MediaBrowser.Model/Dlna/StreamBuilder.cs b/MediaBrowser.Model/Dlna/StreamBuilder.cs
index 61e04a8134..c9697c685c 100644
--- a/MediaBrowser.Model/Dlna/StreamBuilder.cs
+++ b/MediaBrowser.Model/Dlna/StreamBuilder.cs
@@ -610,7 +610,6 @@ namespace MediaBrowser.Model.Dlna
             playlistItem.EnableSubtitlesInManifest = transcodingProfile.EnableSubtitlesInManifest;
             playlistItem.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;
 
-            playlistItem.BreakOnNonKeyFrames = transcodingProfile.BreakOnNonKeyFrames;
             playlistItem.EnableAudioVbrEncoding = transcodingProfile.EnableAudioVbrEncoding;
 
             if (transcodingProfile.MinSegments > 0)
@@ -1556,7 +1555,7 @@ namespace MediaBrowser.Model.Dlna
                     continue;
                 }
 
-                if (!subtitleStream.IsExternal && !transcoderSupport.CanExtractSubtitles(subtitleStream.Codec))
+                if (!subtitleStream.IsExternal && playMethod == PlayMethod.Transcode && !transcoderSupport.CanExtractSubtitles(subtitleStream.Codec))
                 {
                     continue;
                 }
@@ -2010,7 +2009,7 @@ namespace MediaBrowser.Model.Dlna
                             }
                             else if (condition.Condition == ProfileConditionType.NotEquals)
                             {
-                                item.SetOption(qualifier, "rangetype", string.Join(',', Enum.GetNames(typeof(VideoRangeType)).Except(values)));
+                                item.SetOption(qualifier, "rangetype", string.Join(',', Enum.GetNames<VideoRangeType>().Except(values)));
                             }
                             else if (condition.Condition == ProfileConditionType.EqualsAny)
                             {
diff --git a/MediaBrowser.Model/Dlna/StreamInfo.cs b/MediaBrowser.Model/Dlna/StreamInfo.cs
index 13acd15a3f..7aad97ce01 100644
--- a/MediaBrowser.Model/Dlna/StreamInfo.cs
+++ b/MediaBrowser.Model/Dlna/StreamInfo.cs
@@ -87,11 +87,6 @@ public class StreamInfo
     public int? MinSegments { get; set; }
 
     /// <summary>
-    /// Gets or sets a value indicating whether the stream can be broken on non-keyframes.
-    /// </summary>
-    public bool BreakOnNonKeyFrames { get; set; }
-
-    /// <summary>
     /// Gets or sets a value indicating whether the stream requires AVC.
     /// </summary>
     public bool RequireAvc { get; set; }
@@ -900,7 +895,7 @@ public class StreamInfo
 
         if (SubProtocol == MediaStreamProtocol.hls)
         {
-            sb.Append("/master.m3u8?");
+            sb.Append("/master.m3u8");
         }
         else
         {
@@ -911,10 +906,10 @@ public class StreamInfo
                 sb.Append('.');
                 sb.Append(Container);
             }
-
-            sb.Append('?');
         }
 
+        var queryStart = sb.Length;
+
         if (!string.IsNullOrEmpty(DeviceProfileId))
         {
             sb.Append("&DeviceProfileId=");
@@ -1018,9 +1013,6 @@ public class StreamInfo
                 sb.Append("&MinSegments=");
                 sb.Append(MinSegments.Value.ToString(CultureInfo.InvariantCulture));
             }
-
-            sb.Append("&BreakOnNonKeyFrames=");
-            sb.Append(BreakOnNonKeyFrames.ToString(CultureInfo.InvariantCulture));
         }
         else
         {
@@ -1141,6 +1133,12 @@ public class StreamInfo
             sb.Append(query);
         }
 
+        // Replace the first '&' with '?' to form a valid query string.
+        if (sb.Length > queryStart)
+        {
+            sb[queryStart] = '?';
+        }
+
         return sb.ToString();
     }
 
@@ -1250,30 +1248,37 @@ public class StreamInfo
 
         if (info.DeliveryMethod == SubtitleDeliveryMethod.External)
         {
-            if (MediaSource.Protocol == MediaProtocol.File || !string.Equals(stream.Codec, subtitleProfile.Format, StringComparison.OrdinalIgnoreCase) || !stream.IsExternal)
-            {
-                info.Url = string.Format(
-                    CultureInfo.InvariantCulture,
-                    "{0}/Videos/{1}/{2}/Subtitles/{3}/{4}/Stream.{5}",
-                    baseUrl,
-                    ItemId,
-                    MediaSourceId,
-                    stream.Index.ToString(CultureInfo.InvariantCulture),
-                    startPositionTicks.ToString(CultureInfo.InvariantCulture),
-                    subtitleProfile.Format);
-
-                if (!string.IsNullOrEmpty(accessToken))
-                {
-                    info.Url += "?ApiKey=" + accessToken;
-                }
-
-                info.IsExternalUrl = false;
-            }
-            else
+            // Default to using the API URL
+            info.Url = string.Format(
+                CultureInfo.InvariantCulture,
+                "{0}/Videos/{1}/{2}/Subtitles/{3}/{4}/Stream.{5}",
+                baseUrl,
+                ItemId,
+                MediaSourceId,
+                stream.Index.ToString(CultureInfo.InvariantCulture),
+                startPositionTicks.ToString(CultureInfo.InvariantCulture),
+                subtitleProfile.Format);
+            info.IsExternalUrl = false;
+
+            // Check conditions for potentially using the direct path
+            if (stream.IsExternal // Must be external
+                && stream.SupportsExternalStream
+                && string.Equals(stream.Codec, subtitleProfile.Format, StringComparison.OrdinalIgnoreCase) // Format must match (no conversion needed)
+                && !string.IsNullOrEmpty(stream.Path) // Path must exist
+                && Uri.TryCreate(stream.Path, UriKind.Absolute, out Uri? uriResult) // Path must be an absolute URI
+                && (uriResult.Scheme == Uri.UriSchemeHttp || uriResult.Scheme == Uri.UriSchemeHttps)) // Scheme must be HTTP or HTTPS
             {
+                // All conditions met, override with the direct path
                 info.Url = stream.Path;
                 info.IsExternalUrl = true;
             }
+
+            // Append ApiKey only if we are using the API URL
+            if (!info.IsExternalUrl && !string.IsNullOrEmpty(accessToken))
+            {
+                // Use "?ApiKey=" as seen in HEAD and other parts of the code
+                info.Url += "?ApiKey=" + accessToken;
+            }
         }
 
         return info;
diff --git a/MediaBrowser.Model/Dlna/TranscodingProfile.cs b/MediaBrowser.Model/Dlna/TranscodingProfile.cs
index 5797d42506..f49b24976a 100644
--- a/MediaBrowser.Model/Dlna/TranscodingProfile.cs
+++ b/MediaBrowser.Model/Dlna/TranscodingProfile.cs
@@ -41,7 +41,6 @@ public class TranscodingProfile
         MaxAudioChannels = other.MaxAudioChannels;
         MinSegments = other.MinSegments;
         SegmentLength = other.SegmentLength;
-        BreakOnNonKeyFrames = other.BreakOnNonKeyFrames;
         Conditions = other.Conditions;
         EnableAudioVbrEncoding = other.EnableAudioVbrEncoding;
     }
@@ -143,7 +142,8 @@ public class TranscodingProfile
     /// </summary>
     [DefaultValue(false)]
     [XmlAttribute("breakOnNonKeyFrames")]
-    public bool BreakOnNonKeyFrames { get; set; }
+    [Obsolete("This is always false")]
+    public bool? BreakOnNonKeyFrames { get; set; }
 
     /// <summary>
     /// Gets or sets the profile conditions.
diff --git a/MediaBrowser.Model/Dto/BaseItemDto.cs b/MediaBrowser.Model/Dto/BaseItemDto.cs
index 8f223c12a5..e96bba0464 100644
--- a/MediaBrowser.Model/Dto/BaseItemDto.cs
+++ b/MediaBrowser.Model/Dto/BaseItemDto.cs
@@ -790,6 +790,12 @@ namespace MediaBrowser.Model.Dto
         public float? NormalizationGain { get; set; }
 
         /// <summary>
+        /// Gets or sets the gain required for audio normalization. This field is inherited from music album normalization gain.
+        /// </summary>
+        /// <value>The gain required for audio normalization.</value>
+        public float? AlbumNormalizationGain { get; set; }
+
+        /// <summary>
         /// Gets or sets the current program.
         /// </summary>
         /// <value>The current program.</value>
diff --git a/MediaBrowser.Model/Dto/UserDto.cs b/MediaBrowser.Model/Dto/UserDto.cs
index 05019741e0..c6b4a4d141 100644
--- a/MediaBrowser.Model/Dto/UserDto.cs
+++ b/MediaBrowser.Model/Dto/UserDto.cs
@@ -1,5 +1,6 @@
 #nullable disable
 using System;
+using System.ComponentModel;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Users;
 
@@ -54,20 +55,22 @@ namespace MediaBrowser.Model.Dto
         /// Gets or sets a value indicating whether this instance has password.
         /// </summary>
         /// <value><c>true</c> if this instance has password; otherwise, <c>false</c>.</value>
-        public bool HasPassword { get; set; }
+        [Obsolete("This information is no longer provided")]
+        public bool? HasPassword { get; set; } = true;
 
         /// <summary>
         /// Gets or sets a value indicating whether this instance has configured password.
         /// </summary>
         /// <value><c>true</c> if this instance has configured password; otherwise, <c>false</c>.</value>
-        public bool HasConfiguredPassword { get; set; }
+        [Obsolete("This is always true")]
+        public bool? HasConfiguredPassword { get; set; } = true;
 
         /// <summary>
         /// Gets or sets a value indicating whether this instance has configured easy password.
         /// </summary>
         /// <value><c>true</c> if this instance has configured easy password; otherwise, <c>false</c>.</value>
         [Obsolete("Easy Password has been replaced with Quick Connect")]
-        public bool HasConfiguredEasyPassword { get; set; }
+        public bool? HasConfiguredEasyPassword { get; set; } = false;
 
         /// <summary>
         /// Gets or sets whether async login is enabled or not.
diff --git a/MediaBrowser.Model/Entities/MediaStream.cs b/MediaBrowser.Model/Entities/MediaStream.cs
index b1626e2c98..4491fb5ace 100644
--- a/MediaBrowser.Model/Entities/MediaStream.cs
+++ b/MediaBrowser.Model/Entities/MediaStream.cs
@@ -2,11 +2,9 @@
 #pragma warning disable CS1591
 
 using System;
-using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Globalization;
-using System.Linq;
 using System.Text;
 using System.Text.Json.Serialization;
 using Jellyfin.Data.Enums;
@@ -260,6 +258,8 @@ namespace MediaBrowser.Model.Entities
 
         public string LocalizedHearingImpaired { get; set; }
 
+        public string LocalizedLanguage { get; set; }
+
         public string DisplayTitle
         {
             get
@@ -273,29 +273,8 @@ namespace MediaBrowser.Model.Entities
                         // Do not display the language code in display titles if unset or set to a special code. Show it in all other cases (possibly expanded).
                         if (!string.IsNullOrEmpty(Language) && !_specialCodes.Contains(Language, StringComparison.OrdinalIgnoreCase))
                         {
-                            // Get full language string i.e. eng -> English, zh-Hans -> Chinese (Simplified).
-                            var cultures = CultureInfo.GetCultures(CultureTypes.NeutralCultures);
-                            CultureInfo match = null;
-                            if (Language.Contains('-', StringComparison.OrdinalIgnoreCase))
-                            {
-                                match = cultures.FirstOrDefault(r =>
-                                    r.Name.Equals(Language, StringComparison.OrdinalIgnoreCase));
-
-                                if (match is null)
-                                {
-                                    string baseLang = Language.AsSpan().LeftPart('-').ToString();
-                                    match = cultures.FirstOrDefault(r =>
-                                        r.TwoLetterISOLanguageName.Equals(baseLang, StringComparison.OrdinalIgnoreCase));
-                                }
-                            }
-                            else
-                            {
-                                match = cultures.FirstOrDefault(r =>
-                                    r.ThreeLetterISOLanguageName.Equals(Language, StringComparison.OrdinalIgnoreCase));
-                            }
-
-                            string fullLanguage = match?.DisplayName;
-                            attributes.Add(StringHelper.FirstToUpper(fullLanguage ?? Language));
+                            // Use pre-resolved localized language name, falling back to raw language code.
+                            attributes.Add(StringHelper.FirstToUpper(LocalizedLanguage ?? Language));
                         }
 
                         if (!string.IsNullOrEmpty(Profile) && !string.Equals(Profile, "lc", StringComparison.OrdinalIgnoreCase))
@@ -393,29 +372,8 @@ namespace MediaBrowser.Model.Entities
 
                         if (!string.IsNullOrEmpty(Language))
                         {
-                            // Get full language string i.e. eng -> English, zh-Hans -> Chinese (Simplified).
-                            var cultures = CultureInfo.GetCultures(CultureTypes.NeutralCultures);
-                            CultureInfo match = null;
-                            if (Language.Contains('-', StringComparison.OrdinalIgnoreCase))
-                            {
-                                match = cultures.FirstOrDefault(r =>
-                                    r.Name.Equals(Language, StringComparison.OrdinalIgnoreCase));
-
-                                if (match is null)
-                                {
-                                    string baseLang = Language.AsSpan().LeftPart('-').ToString();
-                                    match = cultures.FirstOrDefault(r =>
-                                        r.TwoLetterISOLanguageName.Equals(baseLang, StringComparison.OrdinalIgnoreCase));
-                                }
-                            }
-                            else
-                            {
-                                match = cultures.FirstOrDefault(r =>
-                                    r.ThreeLetterISOLanguageName.Equals(Language, StringComparison.OrdinalIgnoreCase));
-                            }
-
-                            string fullLanguage = match?.DisplayName;
-                            attributes.Add(StringHelper.FirstToUpper(fullLanguage ?? Language));
+                            // Use pre-resolved localized language name, falling back to raw language code.
+                            attributes.Add(StringHelper.FirstToUpper(LocalizedLanguage ?? Language));
                         }
                         else
                         {
diff --git a/MediaBrowser.Model/Extensions/EnumerableExtensions.cs b/MediaBrowser.Model/Extensions/EnumerableExtensions.cs
index 94f4252295..7c9ee18ca4 100644
--- a/MediaBrowser.Model/Extensions/EnumerableExtensions.cs
+++ b/MediaBrowser.Model/Extensions/EnumerableExtensions.cs
@@ -11,7 +11,7 @@ namespace MediaBrowser.Model.Extensions
     public static class EnumerableExtensions
     {
         /// <summary>
-        /// Orders <see cref="RemoteImageInfo"/> by requested language in descending order, prioritizing "en" over other non-matches.
+        /// Orders <see cref="RemoteImageInfo"/> by requested language in descending order, then "en", then no language, over other non-matches.
         /// </summary>
         /// <param name="remoteImageInfos">The remote image infos.</param>
         /// <param name="requestedLanguage">The requested language for the images.</param>
@@ -28,9 +28,9 @@ namespace MediaBrowser.Model.Extensions
                 {
                     // Image priority ordering:
                     //  - Images that match the requested language
-                    //  - Images with no language
                     //  - TODO: Images that match the original language
                     //  - Images in English
+                    //  - Images with no language
                     //  - Images that don't match the requested language
 
                     if (string.Equals(requestedLanguage, i.Language, StringComparison.OrdinalIgnoreCase))
@@ -38,12 +38,12 @@ namespace MediaBrowser.Model.Extensions
                         return 4;
                     }
 
-                    if (string.IsNullOrEmpty(i.Language))
+                    if (string.Equals(i.Language, "en", StringComparison.OrdinalIgnoreCase))
                     {
                         return 3;
                     }
 
-                    if (string.Equals(i.Language, "en", StringComparison.OrdinalIgnoreCase))
+                    if (string.IsNullOrEmpty(i.Language))
                     {
                         return 2;
                     }
diff --git a/MediaBrowser.Model/Extensions/StringHelper.cs b/MediaBrowser.Model/Extensions/StringHelper.cs
index 77cbef00f5..58cde8620c 100644
--- a/MediaBrowser.Model/Extensions/StringHelper.cs
+++ b/MediaBrowser.Model/Extensions/StringHelper.cs
@@ -1,3 +1,5 @@
+using System;
+
 namespace MediaBrowser.Model.Extensions
 {
     /// <summary>
@@ -25,14 +27,11 @@ namespace MediaBrowser.Model.Extensions
 
             return string.Create(
                 str.Length,
-                str,
+                str.AsSpan(),
                 (chars, buf) =>
                 {
                     chars[0] = char.ToUpperInvariant(buf[0]);
-                    for (int i = 1; i < chars.Length; i++)
-                    {
-                        chars[i] = buf[i];
-                    }
+                    buf.Slice(1).CopyTo(chars.Slice(1));
                 });
         }
     }
diff --git a/MediaBrowser.Model/MediaBrowser.Model.csproj b/MediaBrowser.Model/MediaBrowser.Model.csproj
index ef025d02dc..c655c4ccb3 100644
--- a/MediaBrowser.Model/MediaBrowser.Model.csproj
+++ b/MediaBrowser.Model/MediaBrowser.Model.csproj
@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
@@ -37,13 +37,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" />
     <PackageReference Include="MimeTypes">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="System.Globalization" />
-    <PackageReference Include="System.Text.Json" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/MediaBrowser.Model/Net/IPData.cs b/MediaBrowser.Model/Net/IPData.cs
index c116d883ed..e016ffea10 100644
--- a/MediaBrowser.Model/Net/IPData.cs
+++ b/MediaBrowser.Model/Net/IPData.cs
@@ -1,6 +1,5 @@
 using System.Net;
 using System.Net.Sockets;
-using IPNetwork = Microsoft.AspNetCore.HttpOverrides.IPNetwork;
 
 namespace MediaBrowser.Model.Net;
 
@@ -66,9 +65,9 @@ public class IPData
         {
             if (Address.Equals(IPAddress.None))
             {
-                return Subnet.Prefix.AddressFamily.Equals(IPAddress.None)
+                return Subnet.BaseAddress.AddressFamily.Equals(IPAddress.None)
                     ? AddressFamily.Unspecified
-                    : Subnet.Prefix.AddressFamily;
+                    : Subnet.BaseAddress.AddressFamily;
             }
             else
             {
diff --git a/MediaBrowser.Model/Providers/RemoteSearchResult.cs b/MediaBrowser.Model/Providers/RemoteSearchResult.cs
index a29e7ad1c5..7d3b5e4ab8 100644
--- a/MediaBrowser.Model/Providers/RemoteSearchResult.cs
+++ b/MediaBrowser.Model/Providers/RemoteSearchResult.cs
@@ -1,4 +1,3 @@
-#nullable disable
 #pragma warning disable CS1591
 
 using System;
@@ -19,7 +18,7 @@ namespace MediaBrowser.Model.Providers
         /// Gets or sets the name.
         /// </summary>
         /// <value>The name.</value>
-        public string Name { get; set; }
+        public string? Name { get; set; }
 
         /// <summary>
         /// Gets or sets the provider ids.
@@ -41,13 +40,13 @@ namespace MediaBrowser.Model.Providers
 
         public DateTime? PremiereDate { get; set; }
 
-        public string ImageUrl { get; set; }
+        public string? ImageUrl { get; set; }
 
-        public string SearchProviderName { get; set; }
+        public string? SearchProviderName { get; set; }
 
-        public string Overview { get; set; }
+        public string? Overview { get; set; }
 
-        public RemoteSearchResult AlbumArtist { get; set; }
+        public RemoteSearchResult? AlbumArtist { get; set; }
 
         public RemoteSearchResult[] Artists { get; set; }
     }
diff --git a/MediaBrowser.Model/Session/ClientCapabilities.cs b/MediaBrowser.Model/Session/ClientCapabilities.cs
index fc1f24ae16..597845fc17 100644
--- a/MediaBrowser.Model/Session/ClientCapabilities.cs
+++ b/MediaBrowser.Model/Session/ClientCapabilities.cs
@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.ComponentModel;
 using Jellyfin.Data.Enums;
 using MediaBrowser.Model.Dlna;
 
@@ -31,15 +30,5 @@ namespace MediaBrowser.Model.Session
         public string AppStoreUrl { get; set; }
 
         public string IconUrl { get; set; }
-
-        // TODO: Remove after 10.9
-        [Obsolete("Unused")]
-        [DefaultValue(false)]
-        public bool? SupportsContentUploading { get; set; } = false;
-
-        // TODO: Remove after 10.9
-        [Obsolete("Unused")]
-        [DefaultValue(false)]
-        public bool? SupportsSync { get; set; } = false;
     }
 }
diff --git a/MediaBrowser.Model/System/FolderStorageInfo.cs b/MediaBrowser.Model/System/FolderStorageInfo.cs
index 7b10e4ea58..ebca39228b 100644
--- a/MediaBrowser.Model/System/FolderStorageInfo.cs
+++ b/MediaBrowser.Model/System/FolderStorageInfo.cs
@@ -11,17 +11,22 @@ public record FolderStorageInfo
     public required string Path { get; init; }
 
     /// <summary>
-    /// Gets the free space of the underlying storage device of the <see cref="Path"/>.
+    /// Gets the fully resolved path of the folder in question (interpolating any symlinks if present).
+    /// </summary>
+    public required string ResolvedPath { get; init; }
+
+    /// <summary>
+    /// Gets the free space of the underlying storage device of the <see cref="ResolvedPath"/>.
     /// </summary>
     public long FreeSpace { get; init; }
 
     /// <summary>
-    /// Gets the used space of the underlying storage device of the <see cref="Path"/>.
+    /// Gets the used space of the underlying storage device of the <see cref="ResolvedPath"/>.
     /// </summary>
     public long UsedSpace { get; init; }
 
     /// <summary>
-    /// Gets the kind of storage device of the <see cref="Path"/>.
+    /// Gets the kind of storage device of the <see cref="ResolvedPath"/>.
     /// </summary>
     public string? StorageType { get; init; }