12 files changed, 36 insertions, 4 deletions
diff --git a/MediaBrowser.Model/Session/BrowseRequest.cs b/MediaBrowser.Model/Session/BrowseRequest.cs
index f485d680e..1c997d584 100644
--- a/MediaBrowser.Model/Session/BrowseRequest.cs
+++ b/MediaBrowser.Model/Session/BrowseRequest.cs
@@ -1,3 +1,4 @@
+#nullable disable
 namespace MediaBrowser.Model.Session
 {
     /// <summary>
diff --git a/MediaBrowser.Model/Session/ClientCapabilities.cs b/MediaBrowser.Model/Session/ClientCapabilities.cs
index 5da4998e8..d3878ca30 100644
--- a/MediaBrowser.Model/Session/ClientCapabilities.cs
+++ b/MediaBrowser.Model/Session/ClientCapabilities.cs
@@ -1,3 +1,4 @@
+#nullable disable
 #pragma warning disable CS1591
 
 using System;
@@ -12,15 +13,19 @@ namespace MediaBrowser.Model.Session
         public string[] SupportedCommands { get; set; }
 
         public bool SupportsMediaControl { get; set; }
+
         public bool SupportsContentUploading { get; set; }
+
         public string MessageCallbackUrl { get; set; }
 
         public bool SupportsPersistentIdentifier { get; set; }
+
         public bool SupportsSync { get; set; }
 
         public DeviceProfile DeviceProfile { get; set; }
 
         public string AppStoreUrl { get; set; }
+
         public string IconUrl { get; set; }
 
         public ClientCapabilities()
diff --git a/MediaBrowser.Model/Session/GeneralCommand.cs b/MediaBrowser.Model/Session/GeneralCommand.cs
index 980e1f88b..9794bd292 100644
--- a/MediaBrowser.Model/Session/GeneralCommand.cs
+++ b/MediaBrowser.Model/Session/GeneralCommand.cs
@@ -1,3 +1,4 @@
+#nullable disable
 #pragma warning disable CS1591
 
 using System;
diff --git a/MediaBrowser.Model/Session/MessageCommand.cs b/MediaBrowser.Model/Session/MessageCommand.cs
index 473a7bccc..09abfbb3f 100644
--- a/MediaBrowser.Model/Session/MessageCommand.cs
+++ b/MediaBrowser.Model/Session/MessageCommand.cs
@@ -1,3 +1,4 @@
+#nullable disable
 #pragma warning disable CS1591
 
 namespace MediaBrowser.Model.Session
diff --git a/MediaBrowser.Model/Session/PlayRequest.cs b/MediaBrowser.Model/Session/PlayRequest.cs
index bdb2b2439..d57bed171 100644
--- a/MediaBrowser.Model/Session/PlayRequest.cs
+++ b/MediaBrowser.Model/Session/PlayRequest.cs
@@ -1,3 +1,4 @@
+#nullable disable
 #pragma warning disable CS1591
 
 using System;
@@ -6,7 +7,7 @@ using MediaBrowser.Model.Services;
 namespace MediaBrowser.Model.Session
 {
     /// <summary>
-    /// Class PlayRequest
+    /// Class PlayRequest.
     /// </summary>
     public class PlayRequest
     {
@@ -18,7 +19,7 @@ namespace MediaBrowser.Model.Session
         public Guid[] ItemIds { get; set; }
 
         /// <summary>
-        /// Gets or sets the start position ticks that the first item should be played at
+        /// Gets or sets the start position ticks that the first item should be played at.
         /// </summary>
         /// <value>The start position ticks.</value>
         [ApiMember(Name = "StartPositionTicks", Description = "The starting position of the first item.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "POST")]
@@ -38,8 +39,11 @@ namespace MediaBrowser.Model.Session
         public Guid ControllingUserId { get; set; }
 
         public int? SubtitleStreamIndex { get; set; }
+
         public int? AudioStreamIndex { get; set; }
+
         public string MediaSourceId { get; set; }
+
         public int? StartIndex { get; set; }
     }
 }
diff --git a/MediaBrowser.Model/Session/PlaybackProgressInfo.cs b/MediaBrowser.Model/Session/PlaybackProgressInfo.cs
index 5687ba84b..21bcabf1d 100644
--- a/MediaBrowser.Model/Session/PlaybackProgressInfo.cs
+++ b/MediaBrowser.Model/Session/PlaybackProgressInfo.cs
@@ -1,3 +1,4 @@
+#nullable disable
 #pragma warning disable CS1591
 
 using System;
@@ -104,6 +105,7 @@ namespace MediaBrowser.Model.Session
         public RepeatMode RepeatMode { get; set; }
 
         public QueueItem[] NowPlayingQueue { get; set; }
+
         public string PlaylistItemId { get; set; }
     }
 
@@ -117,6 +119,7 @@ namespace MediaBrowser.Model.Session
     public class QueueItem
     {
         public Guid Id { get; set; }
+
         public string PlaylistItemId { get; set; }
     }
 }
diff --git a/MediaBrowser.Model/Session/PlaybackStopInfo.cs b/MediaBrowser.Model/Session/PlaybackStopInfo.cs
index f8cfacc20..aa29bb249 100644
--- a/MediaBrowser.Model/Session/PlaybackStopInfo.cs
+++ b/MediaBrowser.Model/Session/PlaybackStopInfo.cs
@@ -1,3 +1,4 @@
+#nullable disable
 #pragma warning disable CS1591
 
 using System;
@@ -61,6 +62,7 @@ namespace MediaBrowser.Model.Session
         public string NextMediaType { get; set; }
 
         public string PlaylistItemId { get; set; }
+
         public QueueItem[] NowPlayingQueue { get; set; }
     }
 }
diff --git a/MediaBrowser.Model/Session/PlayerStateInfo.cs b/MediaBrowser.Model/Session/PlayerStateInfo.cs
index 0f9956873..0f10605ea 100644
--- a/MediaBrowser.Model/Session/PlayerStateInfo.cs
+++ b/MediaBrowser.Model/Session/PlayerStateInfo.cs
@@ -1,3 +1,4 @@
+#nullable disable
 #pragma warning disable CS1591
 
 namespace MediaBrowser.Model.Session
diff --git a/MediaBrowser.Model/Session/PlaystateRequest.cs b/MediaBrowser.Model/Session/PlaystateRequest.cs
index 493a8063a..ba2c024b7 100644
--- a/MediaBrowser.Model/Session/PlaystateRequest.cs
+++ b/MediaBrowser.Model/Session/PlaystateRequest.cs
@@ -12,6 +12,6 @@ namespace MediaBrowser.Model.Session
         /// Gets or sets the controlling user identifier.
         /// </summary>
         /// <value>The controlling user identifier.</value>
-        public string ControllingUserId { get; set; }
+        public string? ControllingUserId { get; set; }
     }
 }
diff --git a/MediaBrowser.Model/Session/SessionUserInfo.cs b/MediaBrowser.Model/Session/SessionUserInfo.cs
index 42a56b92b..4d6f35efc 100644
--- a/MediaBrowser.Model/Session/SessionUserInfo.cs
+++ b/MediaBrowser.Model/Session/SessionUserInfo.cs
@@ -1,3 +1,4 @@
+#nullable disable
 using System;
 
 namespace MediaBrowser.Model.Session
@@ -12,6 +13,7 @@ namespace MediaBrowser.Model.Session
         /// </summary>
         /// <value>The user identifier.</value>
         public Guid UserId { get; set; }
+
         /// <summary>
         /// Gets or sets the name of the user.
         /// </summary>
diff --git a/MediaBrowser.Model/Session/TranscodingInfo.cs b/MediaBrowser.Model/Session/TranscodingInfo.cs
index 8f4e688f0..e832c2f6f 100644
--- a/MediaBrowser.Model/Session/TranscodingInfo.cs
+++ b/MediaBrowser.Model/Session/TranscodingInfo.cs
@@ -1,28 +1,39 @@
+#nullable disable
 #pragma warning disable CS1591
 
+using System;
+
 namespace MediaBrowser.Model.Session
 {
     public class TranscodingInfo
     {
         public string AudioCodec { get; set; }
+
         public string VideoCodec { get; set; }
+
         public string Container { get; set; }
+
         public bool IsVideoDirect { get; set; }
+
         public bool IsAudioDirect { get; set; }
+
         public int? Bitrate { get; set; }
 
         public float? Framerate { get; set; }
+
         public double? CompletionPercentage { get; set; }
 
         public int? Width { get; set; }
+
         public int? Height { get; set; }
+
         public int? AudioChannels { get; set; }
 
         public TranscodeReason[] TranscodeReasons { get; set; }
 
         public TranscodingInfo()
         {
-            TranscodeReasons = new TranscodeReason[] { };
+            TranscodeReasons = Array.Empty<TranscodeReason>();
         }
     }
 
diff --git a/MediaBrowser.Model/Session/UserDataChangeInfo.cs b/MediaBrowser.Model/Session/UserDataChangeInfo.cs
index 0872eb4b1..0fd24edcc 100644
--- a/MediaBrowser.Model/Session/UserDataChangeInfo.cs
+++ b/MediaBrowser.Model/Session/UserDataChangeInfo.cs
@@ -1,3 +1,4 @@
+#nullable disable
 using MediaBrowser.Model.Dto;
 
 namespace MediaBrowser.Model.Session