- Breaking changes: rename metric to `system.disk.operation_time`, switch to consumer‑based sender, drop receiver address from Runner, enable sending queue by default, remove `groupbytraceprocessor` and per‑scraper interval config.
- New features: host‑metrics now emit both `system.disk.io` and `system.disk.operation` times, span matching by instrumentation library/resource, added `receiverhelper` for flexible scrapers, migrated tailsampling processor to OTLP model w...
- Bug fixes: correct service start/stop for log exporters, fix queued‑retry without batch processor, log error for missing Prometheus start‑time gauge, resolve Jaeger zero‑time bug, prevent panic in OTLP‑to‑Zipkin conversion, correct OTLP/...