- Add AWS SigV4 auth for Alertmanager endpoints and Azure AD OAuth for remote write requests.
- Introduce histogram support in promtool TSDB dump and add PromQL warnings/annotations for queries.
- Performance improvements across TSDB, remote write, scraping, and UI, plus extensive bug fixes for crashes, races, and memory issues.
2.48.0 / 2023-11-16
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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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