8 files changed, 5 insertions, 15 deletions
diff --git a/MediaBrowser.Model/Configuration/PathSubstitution.cs b/MediaBrowser.Model/Configuration/PathSubstitution.cs
index bffaa8594..2c9b5f005 100644
--- a/MediaBrowser.Model/Configuration/PathSubstitution.cs
+++ b/MediaBrowser.Model/Configuration/PathSubstitution.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 namespace MediaBrowser.Model.Configuration
 {
     /// <summary>
diff --git a/MediaBrowser.Model/Extensions/StringHelper.cs b/MediaBrowser.Model/Extensions/StringHelper.cs
index 2d9a6c4db..77cbef00f 100644
--- a/MediaBrowser.Model/Extensions/StringHelper.cs
+++ b/MediaBrowser.Model/Extensions/StringHelper.cs
@@ -17,7 +17,8 @@ namespace MediaBrowser.Model.Extensions
                 return str;
             }
 
-            if (char.IsUpper(str[0]))
+            // We check IsLower instead of IsUpper because both return false for non-letters
+            if (!char.IsLower(str[0]))
             {
                 return str;
             }
diff --git a/MediaBrowser.Model/MediaInfo/SubtitleTrackInfo.cs b/MediaBrowser.Model/MediaInfo/SubtitleTrackInfo.cs
index b3db57b6d..d5c3a6aec 100644
--- a/MediaBrowser.Model/MediaInfo/SubtitleTrackInfo.cs
+++ b/MediaBrowser.Model/MediaInfo/SubtitleTrackInfo.cs
@@ -1,4 +1,3 @@
-#nullable enable
 #pragma warning disable CS1591
 
 using System;
diff --git a/MediaBrowser.Model/Plugins/PluginInfo.cs b/MediaBrowser.Model/Plugins/PluginInfo.cs
index 25216610d..8eb90bdb0 100644
--- a/MediaBrowser.Model/Plugins/PluginInfo.cs
+++ b/MediaBrowser.Model/Plugins/PluginInfo.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System;
 
 namespace MediaBrowser.Model.Plugins
diff --git a/MediaBrowser.Model/Plugins/PluginPageInfo.cs b/MediaBrowser.Model/Plugins/PluginPageInfo.cs
index 85c0aa204..f4d83c28b 100644
--- a/MediaBrowser.Model/Plugins/PluginPageInfo.cs
+++ b/MediaBrowser.Model/Plugins/PluginPageInfo.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 namespace MediaBrowser.Model.Plugins
 {
     /// <summary>
diff --git a/MediaBrowser.Model/Tasks/ITaskTrigger.cs b/MediaBrowser.Model/Tasks/ITaskTrigger.cs
index db9fba696..999db9605 100644
--- a/MediaBrowser.Model/Tasks/ITaskTrigger.cs
+++ b/MediaBrowser.Model/Tasks/ITaskTrigger.cs
@@ -14,9 +14,9 @@ namespace MediaBrowser.Model.Tasks
         event EventHandler<EventArgs>? Triggered;
 
         /// <summary>
-        /// Gets or sets the options of this task.
+        /// Gets the options of this task.
         /// </summary>
-        TaskOptions TaskOptions { get; set; }
+        TaskOptions TaskOptions { get; }
 
         /// <summary>
         /// Stars waiting for the trigger action.
diff --git a/MediaBrowser.Model/Updates/PackageInfo.cs b/MediaBrowser.Model/Updates/PackageInfo.cs
index 7a82685f0..aeaaa8b35 100644
--- a/MediaBrowser.Model/Updates/PackageInfo.cs
+++ b/MediaBrowser.Model/Updates/PackageInfo.cs
@@ -1,4 +1,3 @@
-#nullable enable
 using System;
 using System.Collections.Generic;
 using System.Text.Json.Serialization;
@@ -16,7 +15,6 @@ namespace MediaBrowser.Model.Updates
         public PackageInfo()
         {
             Versions = Array.Empty<VersionInfo>();
-            Id = string.Empty;
             Category = string.Empty;
             Name = string.Empty;
             Overview = string.Empty;
@@ -65,7 +63,7 @@ namespace MediaBrowser.Model.Updates
         /// </summary>
         /// <value>The name.</value>
         [JsonPropertyName("guid")]
-        public string Id { get; set; }
+        public Guid Id { get; set; }
 
         /// <summary>
         /// Gets or sets the versions.
diff --git a/MediaBrowser.Model/Updates/VersionInfo.cs b/MediaBrowser.Model/Updates/VersionInfo.cs
index 209092265..03a540dde 100644
--- a/MediaBrowser.Model/Updates/VersionInfo.cs
+++ b/MediaBrowser.Model/Updates/VersionInfo.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System.Text.Json.Serialization;
 using SysVersion = System.Version;