- Added kafka.producer and kafka.consumer flags, deprecating old kafka flags in Collector and Ingester (breaking change).
- Implemented secure gRPC channel and TLS support for Elasticsearch basic auth, enhancing security.
- Fixed several issues: made esRollover init idempotent, set gRPC reporter as default with retries, added thrift reporter fallback, deprecated colon in ES index prefix, and pinned UI to version 1.1.0.