prometheus

v3.13.1 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 16d Monitoring & Metrics

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

alerting graphing prometheus monitoring time-series

Summary

AI summary

Fixes TSDB head‑chunk cache returning incorrect samples or false not‑found errors after truncation.

Type	Severity	Summary	CVE
Bugfix	Medium	Fixes TSDB head‑chunk cache returning wrong samples or not‑found errors on range queries after truncation. Fixes TSDB head‑chunk cache returning wrong samples or not‑found errors on range queries after truncation. Source: llm_adapter@2026-07-15 Confidence: high	—

Full changelog

This is a bugfix release for 3.13 LTS.

[BUGFIX] TSDB: Fix the head-chunk cache returning samples from the wrong chunk, or spurious not-found errors, to range queries after head-chunk truncation. #19134

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About prometheus

The Prometheus monitoring system and time series database.