main
Propagate marked attributes to synthesized fields. (#76567)
Refactoring of extension methods in source packages (#78620) - take 2 (#78894)
update headers
Switch code that was using Assert.True/False as a replacement for .Fail
Add LanguageServer.Protocol.Test.Utilities.csproj (#74036)
Move SpecializedCollections to Microsoft.CodeAnalysis.Collections namespace (#78466)
Copilot: Fix culture-sensitive StringBuilder.Append and ToString calls across codebase and add banned symbols (#80800)
Centralize recognized feature flags (#81591)