- Added numerous CLI options and configuration flags (service name, Kafka batching, dynamic queue sizes, raw UDP ports, trimpath, memory‑size activation) plus a new /api/sampling collector endpoint and basic authentication for Kafka storage
- Introduced TLS support, configurable additional Jaeger Query headers, data‑loss statistics handling, and a new bounded‑queue resize operation
- Updated dependencies (gRPC <1.27), removed pkg/errors, refactored collector code, and fixed several minor bugs and race conditions