diff --git a/Emby.Notifications/Api/NotificationsService.cs b/Emby.Notifications/Api/NotificationsService.cs
index f2f3818381..67401c1f5b 100644
--- a/Emby.Notifications/Api/NotificationsService.cs
+++ b/Emby.Notifications/Api/NotificationsService.cs
@@ -1,6 +1,5 @@
 #pragma warning disable CS1591
 #pragma warning disable SA1402
-#pragma warning disable SA1600
 #pragma warning disable SA1649
 
 using System;
diff --git a/Emby.Notifications/CoreNotificationTypes.cs b/Emby.Notifications/CoreNotificationTypes.cs
index 73e0b0256a..a602b72213 100644
--- a/Emby.Notifications/CoreNotificationTypes.cs
+++ b/Emby.Notifications/CoreNotificationTypes.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Notifications/NotificationConfigurationFactory.cs b/Emby.Notifications/NotificationConfigurationFactory.cs
index b168ed221b..3fb3553d0e 100644
--- a/Emby.Notifications/NotificationConfigurationFactory.cs
+++ b/Emby.Notifications/NotificationConfigurationFactory.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System.Collections.Generic;
 using MediaBrowser.Common.Configuration;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs
index 9c4f5fe3d8..e2bff97c81 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.IO;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
index 8590c56dfd..d24fc67922 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EntryPoint.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EntryPoint.cs
index a716b6240f..69a9cb78aa 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EntryPoint.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EntryPoint.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Plugins;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/IRecorder.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/IRecorder.cs
index d6a1aee38b..4712724d67 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/IRecorder.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/IRecorder.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Threading;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
index 6d42a58f42..fc543dc551 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/RecordingHelper.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/RecordingHelper.cs
index 4cb9f6fe88..0b0ff6cb31 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/RecordingHelper.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/RecordingHelper.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Globalization;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs
index 9cc53fddcd..194e4606de 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using MediaBrowser.Controller.LiveTv;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
index 330e881ef5..7ebb043d8e 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Concurrent;
diff --git a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
index e9d3105bf1..00f469d838 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Concurrent;
diff --git a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
index c159b60a91..609b397da8 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvConfigurationFactory.cs b/Emby.Server.Implementations/LiveTv/LiveTvConfigurationFactory.cs
index 222fed9d92..ba916af389 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvConfigurationFactory.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvConfigurationFactory.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System.Collections.Generic;
 using MediaBrowser.Common.Configuration;
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs b/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs
index 14b627f82e..6e903a18ef 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Globalization;
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
index f20f6140e5..b64fe8634c 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs b/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs
index 33887bbfd2..7f63991d0c 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs
index 419ec3635a..80ee1ee33a 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Concurrent;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
index a2d972d19c..25b2c674c5 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
index 56864ab116..57c5b75002 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Buffers;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
index 77669da39f..01f0dd885d 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
index 5354489f9c..93bd8034fb 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
index 46c77e7b0e..f5dda79db3 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
index 511af150bb..59451fccd2 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
index 8615183871..9ced65cca9 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs b/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
index 069c02b854..677d68b4c9 100644
--- a/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
+++ b/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
@@ -155,7 +155,7 @@ namespace Emby.Server.Implementations.MediaEncoder
                             }
                             catch (IOException ex)
                             {
-                                _logger.LogError(ex, "Error deleting {Path}", tempFile);
+                                _logger.LogError(ex, "Error deleting temporary chapter image encoding file {Path}", tempFile);
                             }
 
                             chapter.ImagePath = path;
diff --git a/MediaBrowser.Controller/Entities/Folder.cs b/MediaBrowser.Controller/Entities/Folder.cs
index 89ac8aea4b..bb48605e55 100644
--- a/MediaBrowser.Controller/Entities/Folder.cs
+++ b/MediaBrowser.Controller/Entities/Folder.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/MediaBrowser.Controller/Library/IMediaSourceProvider.cs b/MediaBrowser.Controller/Library/IMediaSourceProvider.cs
index ec7798551b..5bf4acebb4 100644
--- a/MediaBrowser.Controller/Library/IMediaSourceProvider.cs
+++ b/MediaBrowser.Controller/Library/IMediaSourceProvider.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System.Collections.Generic;
 using System.Threading;
diff --git a/MediaBrowser.Controller/MediaEncoding/IEncodingManager.cs b/MediaBrowser.Controller/MediaEncoding/IEncodingManager.cs
index 7063d39398..15a2580afd 100644
--- a/MediaBrowser.Controller/MediaEncoding/IEncodingManager.cs
+++ b/MediaBrowser.Controller/MediaEncoding/IEncodingManager.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System.Collections.Generic;
 using System.Threading;
diff --git a/MediaBrowser.Providers/Chapters/ChapterManager.cs b/MediaBrowser.Providers/Chapters/ChapterManager.cs
index 242fc84f6e..3cbfe7d4d7 100644
--- a/MediaBrowser.Providers/Chapters/ChapterManager.cs
+++ b/MediaBrowser.Providers/Chapters/ChapterManager.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
diff --git a/MediaBrowser.Providers/Manager/ProviderManager.cs b/MediaBrowser.Providers/Manager/ProviderManager.cs
index 17d612199f..7125f34c55 100644
--- a/MediaBrowser.Providers/Manager/ProviderManager.cs
+++ b/MediaBrowser.Providers/Manager/ProviderManager.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Concurrent;
@@ -976,10 +975,10 @@ namespace MediaBrowser.Providers.Manager
                 (_) => throw new Exception(
                     string.Format(
                         CultureInfo.InvariantCulture,
-                        "Refresh for item {0} {1} is not in progress",
+                        "Cannot update refresh progress of item '{0}' ({1}) because a refresh for this item is not running",
                         item.GetType().Name,
                         item.Id.ToString("N", CultureInfo.InvariantCulture))),
-                (_, _) => progress);
+                (_, __) => progress);
 
             RefreshProgress?.Invoke(this, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(item, progress)));
         }
diff --git a/MediaBrowser.Providers/MediaBrowser.Providers.csproj b/MediaBrowser.Providers/MediaBrowser.Providers.csproj
index 1d11a3cc21..330a4d1e53 100644
--- a/MediaBrowser.Providers/MediaBrowser.Providers.csproj
+++ b/MediaBrowser.Providers/MediaBrowser.Providers.csproj
@@ -22,7 +22,6 @@
     <TargetFramework>netstandard2.1</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <LangVersion>preview</LangVersion>
   </PropertyGroup>
 
   <!-- Code Analyzers-->
diff --git a/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs b/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
index ea1db88ba4..d2e98a5a94 100644
--- a/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
+++ b/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
 
 using System;
 using System.Collections.Generic;
@@ -47,9 +46,6 @@ namespace MediaBrowser.Providers.MediaInfo
         private readonly ILibraryManager _libraryManager;
         private readonly IMediaSourceManager _mediaSourceManager;
 
-        /// <summary>
-        /// The dummy chapter duration.
-        /// </summary>
         private readonly long _dummyChapterDuration = TimeSpan.FromMinutes(5).Ticks;
 
         public FFProbeVideoInfo(
@@ -190,6 +186,7 @@ namespace MediaBrowser.Providers.MediaInfo
                 {
                     video.RunTimeTicks = mediaInfo.RunTimeTicks;
                 }
+
                 video.Size = mediaInfo.Size;
 
                 if (video.VideoType == VideoType.VideoFile)
@@ -202,6 +199,7 @@ namespace MediaBrowser.Providers.MediaInfo
                 {
                     video.Container = null;
                 }
+
                 video.Container = mediaInfo.Container;
 
                 chapters = mediaInfo.Chapters == null ? Array.Empty<ChapterInfo>() : mediaInfo.Chapters;
@@ -246,7 +244,7 @@ namespace MediaBrowser.Providers.MediaInfo
             {
                 if (chapters.Length == 0 && mediaStreams.Any(i => i.Type == MediaStreamType.Video))
                 {
-                    CreateDummyChapters(video, ref chapters);
+                    chapters = CreateDummyChapters(video);
                 }
 
                 NormalizeChapterNames(chapters);
@@ -563,11 +561,11 @@ namespace MediaBrowser.Providers.MediaInfo
         }
 
         /// <summary>
-        /// Adds the dummy chapters.
+        /// Creates dummy chapters.
         /// </summary>
         /// <param name="video">The video.</param>
-        /// <param name="chapters">The chapters.</param>
-        private void CreateDummyChapters(Video video, ref ChapterInfo[] chapters)
+        /// <return>An array of dummy chapters.</returns>
+        private ChapterInfo[] CreateDummyChapters(Video video)
         {
             var runtime = video.RunTimeTicks ?? 0;
 
@@ -583,12 +581,12 @@ namespace MediaBrowser.Providers.MediaInfo
 
             if (runtime < _dummyChapterDuration)
             {
-                return;
+                return Array.Empty<ChapterInfo>();
             }
 
             // Limit to 100 chapters just in case there's some incorrect metadata here
             int chapterCount = (int)Math.Min(runtime / _dummyChapterDuration, 100);
-            chapters = new ChapterInfo[chapterCount];
+            var chapters = new ChapterInfo[chapterCount];
 
             long currentChapterTicks = 0;
             for (int i = 0; i < chapterCount; i++)
@@ -600,6 +598,8 @@ namespace MediaBrowser.Providers.MediaInfo
 
                 currentChapterTicks += _dummyChapterDuration;
             }
+
+            return chapters;
         }
 
         private string[] FetchFromDvdLib(Video item)