diff --git a/Directory.Packages.props b/Directory.Packages.props
index 578c8be2f..1a9168125 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -28,7 +28,7 @@
     <PackageVersion Include="Microsoft.VisualStudio.Composition" Version="17.7.40" />
     <PackageVersion Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.77" />
     <PackageVersion Include="Mono.Cecil" Version="0.11.5" />
-    <PackageVersion Include="NaturalSort.Extension" Version="4.2.0" />
+    <PackageVersion Include="NaturalSort.Extension" Version="4.3.0" />
     <PackageVersion Include="NSubstitute" Version="5.1.0" />
     <PackageVersion Include="NSubstitute.Analyzers.CSharp" Version="1.0.17" />
     <PackageVersion Include="NUnit" Version="4.1.0" />
diff --git a/ILSpy/TreeNodes/NaturalStringComparer.cs b/ILSpy/TreeNodes/NaturalStringComparer.cs
index dd13ec087..ba3007b72 100644
--- a/ILSpy/TreeNodes/NaturalStringComparer.cs
+++ b/ILSpy/TreeNodes/NaturalStringComparer.cs
@@ -17,7 +17,6 @@
 // DEALINGS IN THE SOFTWARE.
 
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
 
@@ -25,18 +24,29 @@ using NaturalSort.Extension;
 
 namespace ICSharpCode.ILSpy.TreeNodes
 {
+	/// <summary>
+	/// .NET natural string comparison emulating .Instance behavior of original native-interop variant
+	/// </summary>
+	public sealed class NaturalStringComparer
+	{
+		public static readonly IComparer<string> Instance = StringComparison.CurrentCultureIgnoreCase.WithNaturalSort();
+		// public static readonly NaturalStringComparer Instance = new NaturalStringComparer();
+	}
+
+#if WINDOWS
+	/// <summary>
+	/// Native-Interop natural string comparion using StrCmpLogicalW from shlwapi.dll
+	/// </summary>
 	[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1060:MovePInvokesToNativeMethodsClass")]
-	public sealed class NaturalStringComparer : IComparer<string>
+	public sealed class NativeNaturalStringComparer : IComparer<string>
 	{
 		[DllImport("shlwapi.dll", CharSet = CharSet.Unicode)]
 		static extern int StrCmpLogicalW(string psz1, string psz2);
 
-		// public static readonly NaturalStringComparer Instance = new NaturalStringComparer();
-		public static readonly IComparer<string> Instance = StringComparison.OrdinalIgnoreCase.WithNaturalSort();
-
 		public int Compare(string x, string y)
 		{
 			return StrCmpLogicalW(x, y);
 		}
 	}
+#endif
 }
diff --git a/doc/third-party-notices.txt b/doc/third-party-notices.txt
index 84d8a2107..4a9e010b8 100644
--- a/doc/third-party-notices.txt
+++ b/doc/third-party-notices.txt
@@ -499,32 +499,31 @@ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 
-License Notice for OSVersionHelper (part of ILSpy)
+License Notice for NaturalSort.Extension (part of ILSpy)
 ---------------------------
 
-https://github.com/novotnyllc/OSVersionHelper/blob/master/LICENSE.txt
+https://github.com/tompazourek/NaturalSort.Extension/blob/master/LICENSE
 
 The MIT License (MIT)
 
-Copyright (c) [year] [fullname]
+Copyright (c) 2022 Tomáš Pažourek
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in all
 copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 
 License Notice for Tom's Toolbox (part of ILSpy)