- Upgrade to Go 1.12 changes memory release behavior, leading to higher RSS numbers (harmless).
- Add new feature: honor timestamps scrape option and Consul catalog.ServiceMultipleTags support.
- Various enhancements and bug fixes across discovery, storage, remote write, TLS handling, and performance.
2.9.0 / 2019-04-15
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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.
Updated golang.org/x/text to v0.39.0 and google.golang.org/grpc to v1.82.1, fixing CVE‑2026‑56852 and GHSA‑hrxh‑6v49‑42gf.