See PR #2525 - We are splitting the VS extension for pre-2022 and 2022+

ILSpy.AddIn/ILSpy.AddIn.csproj

@@ -48,7 +48,7 @@
     <PackageReference Include="Microsoft.CodeAnalysis" Version="2.4.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="2.4.0" />
     <PackageReference Include="Microsoft.VisualStudio.LanguageServices" Version="2.4.0" />
-    <PackageReference Include="Microsoft.VSSDK.BuildTools" Version="17.0.1619-preview1">
+    <PackageReference Include="Microsoft.VSSDK.BuildTools" Version="16.11.35">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

ILSpy.AddIn/source.extension.vsixmanifest.template

@@ -10,9 +10,6 @@
   </Metadata>
   <Installation>
     <InstallationTarget Id="Microsoft.VisualStudio.Community" Version="[15.0,17.0)" />
-	  <InstallationTarget Id="Microsoft.VisualStudio.Community" Version ="[17.0, 18.0)">
-		  <ProductArchitecture>amd64</ProductArchitecture>
-	  </InstallationTarget>
   </Installation>
   <Dependencies>
     <Dependency Id="Microsoft.Framework.NDP" DisplayName="Microsoft .NET Framework" d:Source="Manual" Version="[4.5,)" />