- Native histograms are now a stable, optional feature; enable via the new `scrape_native_histograms` setting (default false) and transition using the existing feature flag.
- Adds OAuth2 JWT bearer grant support, unified AWS service discovery for EC2/Lightsail/ECS, and includes OpenContainers spec labels in the Dockerfile.
- Includes a host of UI, PromQL, and performance enhancements, extensive bug fixes, and documentation updates (e.g., handling negative histograms, FIPS endpoint, Prometheus Agent).
3.8.0 / 2025-11-28
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Deprecate non‑true/all values for the stats query parameter on /api/v1/query and /api/v1/query_range, now returning a warning and slated for removal in the next major release.
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