- Removed deprecated IsValid function and status code accessors, introducing breaking changes.
- Added gzip compression for OTLP HTTP exporter, SASL/SCRAM authentication for Kafka, CORS header config, and ScrapeErrors struct as new features.
- Fixed OTLP receiver status code handling, enhanced IsPermanent error detection, and preserved original error messages in OTLP exporter.
Release version 0.21.0
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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.