- Breaking changes: per‑operation sampling defaults and trace adjuster support added to API v2/v3 handlers.
- New features: time‑window filters for gettrace/searchtrace, sampling file reload interval, and multiple v2 storage/query adapters for OTLP model.
- Refactors and bug fixes: generic collector queue, collector pipeline updates, TLS config changes, and fixes to span processor creation and iterator usage.