- Update semconv package to v1.40.0 and tighten mdatagen ToVersion flag to only stable/deprecated stages per feature flag lifecycle.
- Fix bugs: exporter/debug out‑of‑bounds guard, pdata/pprofile copy on read‑only input, unredacted config now preserves defaults via new MarshalOption, and internal telemetry OTLP exporter headers are redacted when marshaled.
- Add custom validation support for Go config structs in mdatagen (carried over from previous version).
v1.56.0/v0.150.0
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Add pkg.exporterhelper.queueBatchEnabled feature gate to enable batch settings by default.
Introduced queuebatchprocessor to replace the legacy batchprocessor, promoted memory‑limiter extension to beta stability, and marked configgrpc as stable.