3.11.1 / 2026-04-07

2026-04-08T08:51:34Z55547de4f4a4b2d1902c839b2d41d59171de7ce6f1e884482ec85ab541aa7e8b
OTLPalertingawsbugfixcontainer-imagesdeprecationdistrolessdockerelasticachehetznerinsecuremetricsprometheuspromtoolreleaseservice-discoverytracing

What happened

Prometheus release notes for v3.11.1 / v3.11.0 / v3.10.0 (April–Feb 2026). Key items: bugfix in 3.11.1 that fixes a startup failure for OTLP HTTP tracing when configured with insecure: true; multiple Hetzner service-discovery metadata label deprecations and guidance for replacements; Promtool now redirects debug output to stderr; AWS service discovery gains an ElastiCache role; a new distroless Docker image variant (non-root UID/GID 65532) alongside the busybox image with migration instructions for volumes; alerting metrics were extended with an alertmanager dimension. No CVEs referenced inthe

Why it matters

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

Evidence and limitations

Source ID
prometheus_prometheus_releases
Record identifier
55547de4f4a4b2d1902c839b2d41d59171de7ce6f1e884482ec85ab541aa7e8b
Enrichment time
2026-04-08T08:51:34Z
AI-assisted enrichment
Yes

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