- Breaking: Histogram bucket boundaries for exporter and batch processor metrics changed to power‑of‑two 128 B‑16 MiB range; dashboards/alerts must be updated.
- Feature: Added config.schema.yaml generation for core components and new partial‑reload feature gates to restart only receivers on config reload.
- Bugfix & Deprecation: Fixed multiple bugs (scope index, gRPC WaitForReady, feature‑gate parsing, slice attribute handling) and deprecated the old WithForceUnmarshaler option.
v1.63.0/v0.157.0
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Added stability level support, semantic references, and configurable Go struct fields for resource attributes in cmd/mdatagen, plus enum validation and distinct Go types for primitive config schemas.
Removed multiple stabilized feature gates and renamed deprecated memory‑limiter metrics, introducing breaking API changes;
Breaking: `cmd/builder` skip‑get‑modules flag no longer rewrites go.mod, preserving the file as advertised.