[Automated] PRs inserted in VS build main-11107.64

[dotnet-bot]

View Complete Diff of Changes

• Add followup async public apis
• Reduce allocations in CSharpSyntaxNode.GetStructure
• Extensions: Close some tracked follow-ups
• Fix outdated 17.15 to 18.0
• Improve error recovery when object initializer uses ':' instead of '='
• Support field keyword in EE.
• Log a debug message for ContentModified exceptions.
• Update proposal adjuster to acquire feature flags from VS