1.5 Support. Unfortunately not backwards compat.

About/About.xml

@@ -10,6 +10,7 @@
         <li>1.2</li>
         <li>1.3</li>
         <li>1.4</li>
+        <li>1.5</li>
     </supportedVersions>
     <loadBefore>
     	<li>Ludeon.RimWorld</li>

LoadFolders.xml

@@ -15,4 +15,8 @@
         <li>1.4</li>
         <li></li>
     </v1.4>
+    <v1.5>
+        <li>1.5</li>
+        <li></li>
+    </v1.5>
 </loadFolders>

Source/BetterLoading.csproj

@@ -9,12 +9,12 @@
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <Optimize>true</Optimize>
-    <OutDir>..\1.4\Assemblies\</OutDir>
-    <OutputPath>..\1.4\Assemblies\</OutputPath>
+    <OutDir>..\1.5\Assemblies\</OutDir>
+    <OutputPath>..\1.5\Assemblies\</OutputPath>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <OutDir>..\1.4\Assemblies\</OutDir>
-    <OutputPath>..\1.4\Assemblies\</OutputPath>
+    <OutDir>..\1.5\Assemblies\</OutDir>
+    <OutputPath>..\1.5\Assemblies\</OutputPath>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Assembly-CSharp, Culture=neutral, PublicKeyToken=null">

Source/Stage/InitialLoad/7StageRunPostLoadPreFinalizeCallbacks.cs

@@ -37,8 +37,16 @@ public override string GetStageName()
             if (_currentAction == null)
                 return "Waiting for tasks to start being processed...";
 
-            if(_currentAction is { Target: ModContentPack mcp, Method.Name: nameof(ModContentPack.ReloadContent) + "Int" })
-                return $"Reloading content for {mcp.Name}";
+            if(_currentAction.Method is {} method && method.DeclaringType?.DeclaringType == typeof(ModContentPack))
+            {
+                //On 1.4 this Action was directly just a call to ModContentPack.ReloadContentInt.
+                //Now on 1.5 it's an anon method wrapping that call due to a hotReload bool being added.
+                //Let's try to grab the mod if we can
+                var anonTypeInst = _currentAction.Target;
+                //Compiler generated field `<>4__this` is the ModContentPack itself.
+                if(anonTypeInst.GetType()?.GetField("<>4__this", AccessTools.all) is {} theField && theField.GetValue(anonTypeInst) is ModContentPack mcp)
+                    return $"Reloading content for {mcp.Name}";
+            }
 
             var methodDeclaringType = _currentAction.Method.DeclaringType?.FullName ?? "<unknown anonymous method>";
             var methodName = _currentAction.Method?.Name ?? "<unknown method>";
@@ -104,6 +112,7 @@ public static bool PreExecToExecWhenFinished(List<Action> ___toExecuteWhenFinish
                 2 => "b__4_2",
                 3 => "b__4_3",
                 4 => "b__4_5",
+                5 => "b__4_4",
                 _ => throw new ArgumentOutOfRangeException()
             };
 

Source/Stage/InitialLoad/8StageRunStaticCctors.cs

@@ -62,11 +62,11 @@ public override bool IsCompleted()
 
         public override void DoPatching(Harmony instance)
         {
-            if (VersionControl.CurrentMinor == 4)
+            if (VersionControl.CurrentMinor is 4 or 5)
             {
                 //1.4, we need to patch the entire <DoPlayLoad>b__4_5 method and make it not run, instead of just CallAll, because there's 2 other method calls in that anon method which we don't wanna do until after static constructors
                 var anonType = typeof(PlayDataLoader).GetNestedTypes(AccessTools.all).First(t => t.Name.Contains("<>"));
-                var method = AccessTools.Method(anonType, "<DoPlayLoad>b__4_5");
+                var method = AccessTools.Method(anonType, VersionControl.CurrentMinor == 4 ? "<DoPlayLoad>b__4_5" : "<DoPlayLoad>b__4_4");
                 instance.Patch(method, new HarmonyMethod(typeof(StageRunStaticCctors), nameof(PreCallAll)));
             }
             else

Source/Stage/SaveLoad/4FinalizeMap.cs

@@ -94,7 +94,7 @@ public override void DoPatching(Harmony instance)
 
             //SpawnThings
             instance.Patch(
-                AccessTools.Method(typeof(GenSpawn), nameof(GenSpawn.Spawn), new[] {typeof(Thing), typeof(IntVec3), typeof(Map), typeof(Rot4), typeof(WipeMode), typeof(bool)}),
+                AccessTools.Method(typeof(GenSpawn), nameof(GenSpawn.Spawn), new[] {typeof(Thing), typeof(IntVec3), typeof(Map), typeof(Rot4), typeof(WipeMode), typeof(bool), typeof(bool)}),
                 new(typeof(FinalizeMap), nameof(OnThingAboutToSpawn))
             );