diff --git a/ModData/About/About.xml b/ModData/About/About.xml
index 4f3f624..b0025db 100644
--- a/ModData/About/About.xml
+++ b/ModData/About/About.xml
@@ -2,7 +2,7 @@
 <ModMetadata xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <Name>Slang</Name>
   <Author>JoeDiertay</Author>
-  <Version>0.4.4</Version>
+  <Version>0.4.5</Version>
   <Description>
 [h1]Slang: High-Level Programming for Stationeers[/h1]
 
diff --git a/csharp_mod/Formatter.cs b/csharp_mod/Formatter.cs
index 890b79c..2335013 100644
--- a/csharp_mod/Formatter.cs
+++ b/csharp_mod/Formatter.cs
@@ -165,18 +165,15 @@ public class SlangFormatter : ICodeFormatter
                 return;
             }
 
-            var (compilationSuccess, compiled, sourceMap) = await Task.Run(
-                () =>
-                {
-                    var successful = Marshal.CompileFromString(
-                        inputSrc,
-                        out var compiled,
-                        out var sourceMap
-                    );
-                    return (successful, compiled, sourceMap);
-                },
-                cancellationToken
-            );
+            var (compilationSuccess, compiled, sourceMap) = await Task.Run(() =>
+            {
+                var successful = Marshal.CompileFromString(
+                    inputSrc,
+                    out var compiled,
+                    out var sourceMap
+                );
+                return (successful, compiled, sourceMap);
+            });
 
             if (compilationSuccess)
             {
@@ -192,6 +189,7 @@ public class SlangFormatter : ICodeFormatter
         }
     }
 
+    // This runs on the main thread
     private void UpdateIc10Formatter()
     {
         var tab = Editor.ParentTab;
@@ -215,14 +213,11 @@ public class SlangFormatter : ICodeFormatter
             entry.SlangSource.StartLine == caretPos || entry.SlangSource.EndLine == caretPos
         );
 
-        // extract the current "context" of the ic10 compilation. The current Slang source line
-        // should be directly next to the compiled IC10 source line, and we should highlight the
-        // IC10 code that directly represents the Slang source
-
         Ic10Editor.ResetCode(ic10CompilationResult);
 
         if (lines.Count() < 1)
         {
+            L.Debug($"SourceMap count: {ic10SourceMap.Count}");
             Ic10Editor.Selection = new TextRange
             {
                 End = new TextPosition { Col = 0, Line = 0 },
diff --git a/csharp_mod/Marshal.cs b/csharp_mod/Marshal.cs
index d5fb834..84e1982 100644
--- a/csharp_mod/Marshal.cs
+++ b/csharp_mod/Marshal.cs
@@ -67,7 +67,9 @@ public static class Marshal
         try
         {
             _libraryHandle = LoadLibrary(ExtractNativeLibrary(Ffi.RustLib));
+            L.Debug("Rust DLL loaded successfully. Enjoy native speed compilations!");
             CodeFormatters.RegisterFormatter("Slang", typeof(SlangFormatter), true);
+
             return true;
         }
         catch (Exception ex)
@@ -91,8 +93,13 @@ public static class Marshal
 
         try
         {
-            FreeLibrary(_libraryHandle);
+            CodeFormatters.RegisterFormatter("Slang", typeof(PlainTextFormatter), true);
+            if (!FreeLibrary(_libraryHandle))
+            {
+                L.Warning("Unable to free Rust library");
+            }
             _libraryHandle = IntPtr.Zero;
+            L.Debug("Rust DLL library freed");
             return true;
         }
         catch (Exception ex)
diff --git a/csharp_mod/Plugin.cs b/csharp_mod/Plugin.cs
index 8b5f08a..662a0fe 100644
--- a/csharp_mod/Plugin.cs
+++ b/csharp_mod/Plugin.cs
@@ -40,9 +40,9 @@ namespace Slang
     {
         public const string PluginGuid = "com.biddydev.slang";
         public const string PluginName = "Slang";
-        public const string PluginVersion = "0.4.4";
+        public const string PluginVersion = "0.4.5";
 
-        private Harmony? _harmony;
+        private static Harmony? _harmony;
 
         private static Regex? _slangSourceCheck = null;
 
@@ -64,19 +64,28 @@ namespace Slang
             return SlangSourceCheck.IsMatch(input);
         }
 
-        private void Awake()
+        public void Awake()
         {
             L.SetLogger(Logger);
-            this._harmony = new Harmony(PluginGuid);
+            _harmony = new Harmony(PluginGuid);
 
             // If we failed to load the compiler, bail from the rest of the patches. It won't matter,
             // as the compiler itself has failed to load.
             if (!Marshal.Init())
             {
+                L.Error("Marshal failed to init");
                 return;
             }
 
-            this._harmony.PatchAll();
+            _harmony.PatchAll();
+            L.Debug("Ran Harmony patches");
+        }
+
+        public void OnDestroy()
+        {
+            Marshal.Destroy();
+            _harmony?.UnpatchSelf();
+            L.Debug("Cleaned up Harmony patches");
         }
     }
 }
diff --git a/rust_compiler/Cargo.lock b/rust_compiler/Cargo.lock
index b5bca3c..91769ce 100644
--- a/rust_compiler/Cargo.lock
+++ b/rust_compiler/Cargo.lock
@@ -930,7 +930,7 @@ checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
 
 [[package]]
 name = "slang"
-version = "0.4.3"
+version = "0.4.5"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/rust_compiler/Cargo.toml b/rust_compiler/Cargo.toml
index 41b30e7..94ee887 100644
--- a/rust_compiler/Cargo.toml
+++ b/rust_compiler/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "slang"
-version = "0.4.3"
+version = "0.4.5"
 edition = "2021"
 
 [workspace]