Prometheus v3.5.1 contains dependency and toolchain version updates without code changes. The recorded release metadata does not describe security-related changes or operator actions beyond upgrading.
Source ↗Releases
AI-analyzed release notes for CNCF graduated and incubating projects.
Prometheus v3.9.1 is a small bug-fix release. It addresses an Agent startup crash and restores scraping relabel keep and drop rules.
Source ↗This release updates histogram collection and TSDB behavior while adding capabilities across the API, PromQL, storage, and UI. It also includes fixes for query handling, storage validation, receivers, and interface behavior.
Action needed (1)
breakingA 10,000-set limit for the TSDB status endpoint
The TSDB status endpoint now limits responses to a maximum of 10,000 sets of statistics.
Check if affected (1)
breakingThe
native-histogramfeature flag has no effectApplies if you set
scrape_native_histogramsto collect Native Histogram samples from exporters.In version 3.9, Native Histograms is no longer experimental, and the feature flag
native-histogramhas no effect. Collecting Native Histogram samples from exporters now requires thescrape_native_histogramsconfig setting.