- Removed support for otel spanmetrics processor, expvar metrics, Elasticsearch v5/v6, and the gRPC plugin, with related refactors such as replacing metrics.factory calls and moving root span handling.
- Introduced experimental gRPC storage configuration, added Elasticsearch helper binaries, a purge method for Cassandra, healthchecks for the gRPC server, and numerous bug fixes and minor improvements across storage, sampling, and integrat...
- Enhanced CI pipelines with new workflows, extensive lint rules, Docker‑Compose integration tests, and updated documentation including diagrams and VSCode unit‑test debugging guides.