3.15.0-rc.1 / 2026-09-21

2026-09-23T08:51:30Z•66c68348d9b9651fe9db87ee08ade135a609a7a4dea36ad65414a4014e00a0eb
Docker-SwarmGoPromQLPrometheusTSDBWAL-corruptionbugfixdenial-of-servicedependency-updateklauspost-compressreleasesecurity-updatex-crypto

What happened

Prometheus release feed reporting version 3.13.3 security dependency updates, including github.com/klauspost/compress v1.18.7 (GO-2026-5841) and golang.org/x/crypto v0.55.0 (GO-2026-6303). The release also fixes Docker Swarm discovery panics, PromQL matching errors, and shutdown CPU exhaustion. Newer 3.14.0 and 3.15.0 release candidates contain feature and query-engine changes, including a fix preventing WAL corruption after failed writes in Agent mode.

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
prometheus_prometheus_releases
Record identifier
66c68348d9b9651fe9db87ee08ade135a609a7a4dea36ad65414a4014e00a0eb
Enrichment time
2026-09-23T08:51:30Z
AI-assisted enrichment
Yes

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