- Add exporter in‑flight requests UpDownCounter metric to monitor concurrent export activity.
- Introduce confmap.Validator interface and Validate function for configuration validation, deprecating xconfmap.Validator.
- Fix multiple issues: request body handling and snappy decompression in confighttp, gRPC logger verbosity, HTML escaping in pdata values, Prometheus config defaults, and return a noop tracer provider when no trace processors are defined.
v1.58.0/v0.152.1
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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.