- Added multiple new features: Remote Write can drop old in‑memory samples and returns HTTP 400 for too‑old samples; experimental zero‑timestamp ingestion; overlapping compaction, automatic memory‑limit handling, and a new promtool "analyz...
- Implemented numerous TSDB and performance improvements such as Loser‑Tree merge, smaller transaction isolation structures, label‑value shortcut lookups, reduced global hash table size, and faster metric functions, plus SD enhancements li...
- Fixed bugs across the stack, including correct Accept‑header quality value, UI crashes from time() usage, Azure SD VM scale‑set crashes, and assorted test, doc, and UI issues.
2.50.0 / 2024-02-22
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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.