main
Make fields readonly
Merge remote-tracking branch 'dotnet/master' into UsedAssemblies_13
Copilot: Fix culture-sensitive StringBuilder.Append and ToString calls across codebase and add banned symbols (#80800)
Warn for multiple blank lines in source (#65451)
Implement compiler support for System.Runtime.InteropServices.ExtendedLayoutAttribute (#78741)
update headers
EnC: Block additions to MethodImpl table when targeting .NET Framework (#81304)