- Added a distroless Docker image variant (non‑root UID/GID 65532, no VOLUME) alongside the default busybox image, improving container security.
- Introduced PromQL fill() / fill_left() / fill_right() modifiers, added OpenAPI 3.2 specification for the /api/v1/openapi.yaml endpoint, and added alertmanager dimension to notification metrics.
- Delivered numerous enhancements and bug fixes across alerting UI, TSDB, OTLP conversion, and PromQL performance and stability.
3.10.0 / 2026-02-24
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