June 2026 monthly summary for grpc/grpc: Delivered a focused compatibility fix by removing the import-time Python version check for AsyncHealthServicer to align with the project's minimum supported Python 3.9. This change reduces startup/import errors for users on supported runtimes and simplifies maintenance by removing an unnecessary conditional import. The work enhances cross-version stability for Python deployments and broadens the effective user base with consistent behavior across environments. Key commit: 0066580606cabad246809d39577dc8b38f14b294 (co-authored by Ashesh Vidyut) as part of PR #42091.

March 2026 summary for pydantic/pydantic focused on a targeted documentation fix to align polymorphic serialization versioning with the v2.13 release. The update clarifies the version-added directive for polymorphic_serialization to ensure users have accurate guidance on feature availability across versions. This change reduces potential confusion, lowers support load, and supports smoother onboarding for developers adopting polymorphic serialization. Commit reference provided below.