[View Complete Diff of Changes](https://github.com/dotnet/roslyn/compare/a01d6a0838430706cea74ad38e054c2877ffbfa1...d2b50b654642d54afd1a0e3ab6218dcb5c4745a0?w=1) - [Improve diagnostic quality for less accessible base type argument](https://github.com/dotnet/roslyn/pull/80483) - [Add xcopy-msbuild version to global.json](https://github.com/dotnet/roslyn/pull/80647) - [Build BuildHost against net8.0](https://github.com/dotnet/roslyn/pull/80641) - [Initial spike for file-based programs editor features](https://github.com/dotnet/roslyn/pull/80410) - [Update dotnet-format instructions](https://github.com/dotnet/roslyn/pull/80642) - [PEDeltaAssemblyBuilder: Don't freeze `_needsGeneratedAttributes` compilation state.](https://github.com/dotnet/roslyn/pull/80600) - [Add XML doc comments to Incremental Generator public API](https://github.com/dotnet/roslyn/pull/80609) - [Warn for redundant pattern in `not ... or <redundant>` pattern](https://github.com/dotnet/roslyn/pull/75581)