- Breaking removal of several deprecated APIs (GetLogger, configtest.LoadConfigMap, config.Map, etc.).
- Extensive deprecation of mutable slice‑based functions in favor of immutable pcommon slice types across values and histogram data points.
- Enhancements include OpenCensus metric integration, OTLP v0.18.0 upgrade, logging exporter improvements, and multiple bug‑fixes and pipeline refactoring.
v0.54.0
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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.