[View Complete Diff of Changes](https://github.com/dotnet/fsharp/compare/4c68fe8482b988ef088f0968bed73810c4178fc3...12efe3b5121d8a662d1431763796dfd278af9129?w=1) - [Check return type info in `use!` bindings](https://github.com/dotnet/fsharp/pull/19024) - [Add compiler compatibility test suite for anonymous records with MSBuild-generated build verification and comprehensive documentation](https://github.com/dotnet/fsharp/pull/18913) - [All parallel optimizations enabled](https://github.com/dotnet/fsharp/pull/18998) - [Fix: warn FS0049 on upper union case labels](https://github.com/dotnet/fsharp/pull/19003) - [Fix early/unconditional execution of PackageFSharpDesignTimeTools target](https://github.com/dotnet/fsharp/pull/18929) - [Fix checking nested fields for records](https://github.com/dotnet/fsharp/pull/18964) - [Type relations cache: Add a failsafe in case of infinite types](https://github.com/dotnet/fsharp/pull/19010) - [Update FSToolsMajorVersion from 14 to 15 - unblock SDK flow](https://github.com/dotnet/fsharp/pull/19001) - [Update DEVGUIDE.md for non-released SDK usage](https://github.com/dotnet/fsharp/pull/18716) - [Fix 11873: Name is bound multiple times is not reported in 'as' pattern](https://github.com/dotnet/fsharp/pull/18984) - [Double the iterations in StackOverflowRepro - see if it fails MacOS (#18952)](https://github.com/dotnet/fsharp/pull/18968) - [Reenable a bunch of tests](https://github.com/dotnet/fsharp/pull/18991) - [Fix exn signature range](https://github.com/dotnet/fsharp/pull/18982) - [Fix FSharpExpr documentation to reference correct module](https://github.com/dotnet/fsharp/pull/18969) - [F# Scripts: Fix resolving the dotnet host path when an SDK directory is specified](https://github.com/dotnet/fsharp/pull/18960) - [Automate Roslyn Dependency Management with Darc & Prune Direct References](https://github.com/dotnet/fsharp/pull/18957)