main
Warn for multiple blank lines in source (#65451)
Reduce amount of allocated MissingMetadataTypeSymbol symbols during various lookup operations. (#65046)
Avoid storing information about unrelated assemblies in AssembliesToWhichInternalAccessHasBeenDetermined (#81959)
Emit MetadataUpdateOriginalTypeAttribute in VB (#63194)
[main] Update dependencies from dotnet/arcade (#68573)
Move SpecializedCollections to Microsoft.CodeAnalysis.Collections namespace (#78466)
SourceMemberMethodSymbol.IsMetadataVirtual should force complete declaring type when queried by a different module (#84013)
Avoid loading attributes for PE symbols for the purpose of getting AsyncMethodBuilderAttribute information. (#70625)
Introduce a concept of internal special types, move all members defined in special types to the SpecialMember set. (#72646)
Reduce allocations in PENamespaceSymbol.GetMembers() (#73794)
Threading fixes (#76230)
Use ParamCollectionAttribute to mark params collections in metadata (#71747)
Move async utils to Microsoft.CodeAnalysis.Threading source package (#76937)
Add support for CompilerFeatureRequiredAttribute (#61113)
Support RefSafetyRulesAttribute for interop with existing assemblies (#63461)