Prometheus 3.13.3
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Changelog
| PR / issue | Type | Description |
|---|---|---|
| — | Security | Bump github.com/klauspost/compress to v1.18.7 (GO-2026-5841) and golang.org/x/crypto to v0.55.0 (GO-2026-6303). |
| #19102 | Bug fix | Docker SD: Fix panic in Docker Swarm service discovery when a service runs as a plugin or network-attachment. |
| #19167 | Bug fix | PromQL: Fix case-insensitive regex label matchers silently dropping matching values. |
| #19149 | Bug fix | Scrape: Fix scrape manager spinning at 100% CPU on shutdown. |
| #17859 | Bug fix | Alerting: Fix 100% CPU usage on shutdown that could delay graceful shutdown and trigger timeout-based kills. |
| #19013 | Bug fix | TSDB: Fix out-of-order queries blocking compaction for hours, causing memory usage to grow. |
| #19140 | Bug fix | TSDB: Fix deleted series causing missing samples and errors after restart. |
| #18291 | Bug fix | TSDB: Fix goroutine and file handle leaks when Prometheus fails to open a corrupt TSDB. On Windows, the leaked directory handle also prevented TSDB directory removal. |
Reproduced from the official Prometheus 3.13.3 release notes. Last checked 8 Oct 2026, 13:19 UTC.