[View Complete Diff of Changes](https://github.com/dotnet/fsharp/compare/4396154347e812cffb31b5b5b95fdc2028bb4c8c...61c1a22068d208a88f757bd48d5c899db5568837?w=1) - [Centralize Visual Studio installation discovery and assembly resolution in test infrastructure](https://github.com/dotnet/fsharp/pull/19085) - [Fix IL2091 trimming warning in FSharp.Core LazyExtensions.Create](https://github.com/dotnet/fsharp/pull/19114) - [Auto-set FSharpCompilerPath when debugging VisualFSharpDebug VSIX](https://github.com/dotnet/fsharp/pull/19083) - [Type relations cache: optimize key generation](https://github.com/dotnet/fsharp/pull/19120) - [Skip tests using nuget from signed builds ](https://github.com/dotnet/fsharp/pull/19111) - [Upgrade Visual Studio and xcopy-msbuild version to 18.0](https://github.com/dotnet/fsharp/pull/19098) - [Update the agent pool for the PR builds](https://github.com/dotnet/fsharp/pull/19102) - [Bump versions for 18.3](https://github.com/dotnet/fsharp/pull/19105) - [Work around for infinite restore in VS](https://github.com/dotnet/fsharp/pull/19106)