- Deprecate Kafka visibility queue and replace it with an internal visibility queue, with detailed migration steps and config changes.
- Introduce multiple security and auth enhancements, including TLS settings for workers, EC JWT key support, JWKS parsing via jose, and extra authorization data with improved error logging.
- Add several new features and bug fixes such as visibility task tables for SQL, Prometheus as default metrics provider, gRPC reflection for frontend, CLI health‑check command, and various schema migration tools.