diff --git a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Plugin.cs b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Plugin.cs
index d04079b..6d0db09 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Plugin.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Plugin.cs
@@ -181,7 +181,7 @@ public class Plugin : IViewer
                 Debug.WriteLine(resourceName);
 
                 var hlm = resourceName.Contains(".Syntax.Dark.") ? _hlmDark : _hlmLight;
-                var ext = Path.GetFileNameWithoutExtension(resourceName);
+                var ext = Path.GetFileNameWithoutExtension(resourceName.ToResourceDummyName());
                 using var reader = new XmlTextReader(s);
                 var xshd = HighlightingLoader.LoadXshd(reader);
                 var highlightingDefinition = HighlightingLoader.Load(xshd, hlm);
@@ -216,3 +216,35 @@ public class Plugin : IViewer
         }
     }
 }
+
+file static class ResourceNameHelper
+{
+    /// <summary>
+    /// Converts a resource name (using '.' as separators) into a dummy file path
+    /// by replacing inner dots with backslashes, while preserving the file extension.
+    ///
+    /// Example:
+    /// Input:  "Resources.Images.icon.png"
+    /// Output: "Resources\Images\icon.png"
+    ///
+    /// Input:  "Assets.Sounds.music.background.mp3"
+    /// Output: "Assets\Sounds\music\background.mp3"
+    /// </summary>
+    /// <param name="resourceName">The embedded resource name (excluding the default namespace).</param>
+    /// <returns>A string representing the resource as a dummy file path.</returns>
+    public static string ToResourceDummyName(this string resourceName)
+    {
+        if (string.IsNullOrWhiteSpace(resourceName))
+            return resourceName;
+
+        int lastDotIndex = resourceName.LastIndexOf('.');
+        if (lastDotIndex <= 0) // Either no dot or dot is at the beginning
+            return resourceName;
+
+        // Replace dots before the extension with backslashes
+        string pathWithoutExtension = resourceName.Substring(0, lastDotIndex).Replace('.', '\\');
+        string extension = resourceName.Substring(lastDotIndex);
+
+        return pathWithoutExtension + extension;
+    }
+}
diff --git a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/HLSL.xshd b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/HLSL.xshd
new file mode 100644
index 0000000..4c09b08
--- /dev/null
+++ b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/HLSL.xshd
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<SyntaxDefinition name="HLSL" extensions=".hlsl">
+
+	<Environment>
+		<Default color="Black" bgcolor="#FFFFFF"/>
+		<Selection color="Black" bgcolor="#C3C3FF"/>
+		<LineNumbers color="Gray" bgcolor="#FFFFFF"/>
+		<CaretMarker color="#F0F0F1"/>
+		<VRuler color="#E0E0E5"/>
+		<FoldLine color="#A0A0A0" bgcolor="#FFFFFF"/>
+		<FoldMarker color="Black" bgcolor="#FFFFFF"/>
+		<SelectedFoldLine color="Black" bgcolor="#FFFFFF"/>
+		<EOLMarkers color="#CACAD2"/>
+		<SpaceMarkers color="#B6B6C0"/>
+		<TabMarkers color="#B6B6C0"/>
+		<InvalidLines color="#B6B6C0"/>
+	</Environment>
+
+	<Properties>
+		<Property name="LineComment" value="//"/>
+		<Property name="BlockCommentBegin" value="/*"/>
+		<Property name="BlockCommentEnd" value="*/"/>
+	</Properties>
+
+	<Digits name="Number" color="Purple"/>
+
+	<RuleSets>
+		<RuleSet ignorecase="false">
+			<Delimiters>&amp;&lt;&gt;~%^*()-+=!|\/{}[]:;"' ,	?</Delimiters>
+
+			<!-- Comments -->
+			<Span name="LineComment" stopateol="true" color="Green">
+				<Begin>//</Begin>
+			</Span>
+			<Span name="BlockComment" stopateol="false" color="Green">
+				<Begin>/*</Begin>
+				<End>*/</End>
+			</Span>
+
+			<!-- Strings -->
+			<Span name="String" stopateol="false" color="Maroon">
+				<Begin>"</Begin>
+				<End>"</End>
+			</Span>
+
+			<!-- Keywords -->
+			<KeyWords name="Keywords" color="Blue" bold="true">
+				<Key word="if"/>
+				<Key word="else"/>
+				<Key word="for"/>
+				<Key word="while"/>
+				<Key word="do"/>
+				<Key word="break"/>
+				<Key word="continue"/>
+				<Key word="return"/>
+				<Key word="discard"/>
+				<Key word="struct"/>
+				<Key word="cbuffer"/>
+				<Key word="register"/>
+				<Key word="sampler"/>
+				<Key word="Texture2D"/>
+				<Key word="Texture3D"/>
+				<Key word="TextureCube"/>
+				<Key word="SamplerState"/>
+				<Key word="RWTexture2D"/>
+			</KeyWords>
+
+			<!-- Types -->
+			<KeyWords name="Types" color="Teal">
+				<Key word="float"/>
+				<Key word="float2"/>
+				<Key word="float3"/>
+				<Key word="float4"/>
+				<Key word="float4x4"/>
+				<Key word="int"/>
+				<Key word="int2"/>
+				<Key word="int3"/>
+				<Key word="int4"/>
+				<Key word="bool"/>
+				<Key word="bool2"/>
+				<Key word="bool3"/>
+				<Key word="bool4"/>
+				<Key word="uint"/>
+				<Key word="half"/>
+				<Key word="min16float"/>
+			</KeyWords>
+
+		</RuleSet>
+	</RuleSets>
+</SyntaxDefinition>
diff --git a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/JavaScript.xshd b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/JavaScript.xshd
index 3c06332..b684c9d 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/JavaScript.xshd
+++ b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/JavaScript.xshd
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<SyntaxDefinition name="JavaScript" extensions=".js;.jsx;.mjs;.cjs">
+<SyntaxDefinition name="JavaScript" extensions=".js;.jsx;.mjs;.cjs;">
 
     <Environment> 
         <Default color="Black" bgcolor="#FFFFFF"/>
diff --git a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/zzz-After-JavaScript-HTML.xshd b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/zzz-After-JavaScript-HTML.xshd
index 64c9e10..9bfb26c 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/zzz-After-JavaScript-HTML.xshd
+++ b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Syntax/Light/zzz-After-JavaScript-HTML.xshd
@@ -1,15 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<!-- 
-HTML syntax highlighting
-Written by Ezra Altahan
-25/10/2016
-Version 1.0
-
-hello@exr.be
-https://github.com/ei
--->
-
 <SyntaxDefinition name="HTML" extensions=".html;.htm;.xhtml;.shtml;.shtm;.xht;.hta">
 
     <Environment> 
diff --git a/QuickLook/Helpers/Updater.cs b/QuickLook/Helpers/Updater.cs
index 76847d7..e8f20a2 100644
--- a/QuickLook/Helpers/Updater.cs
+++ b/QuickLook/Helpers/Updater.cs
@@ -82,7 +82,7 @@ internal class Updater
 
     private static void CollectAndShowReleaseNotes()
     {
-        Task.Run(() =>
+        _ = Task.Run(() =>
         {
             try
             {