- Breaking: OTLP updated to v0.5.0 (incompatible metrics protocol) and removal of summary metrics propagation in OtelCollector.
- Features: zipkin proto support in Kafka receiver, Prometheus Remote Write exporter for Cortex, deployment environment semantic convention, and logs support in batch/resource processors.
- Bug fixes: config type validation, Kafka receiver channel closing issue, Zipkin span panic with empty service name, and always setting endtime in Zipkin receiver.