- - Breaking change: Elasticsearch index prefix separator switched from “:” to “(”, no migration needed for existing indices.
- - New features include tracegen utility, Zipkin Thrift Kafka ingestion, DCAwareRoundRobinPolicy fallback, FindTraceID in spanstore, configurable ES span limit, and gRPC communication/metrics between agent and collector.
- - Minor improvements and bug fixes: updated Jaeger library metric naming, upgraded dependencies, fixed sampling strategy handling, added locking, restructured config packages, and UI pinned to version 1.0.0.