Prometheus
Backend & InfraThe Prometheus monitoring system and time series database.
Release History
v3.9.12 fixesThis release focuses on stability and correctness, addressing a startup crash in the Agent component and fixing an issue with relabeling in the Scraping module.
v3.9.0Breaking16 fixes10 featuresThis release stabilizes Native Histograms, requiring configuration changes for collection, and introduces numerous enhancements across the API, Promtool, UI, and PromQL query engine. Numerous bug fixes address stability and correctness issues, particularly concerning histogram handling and PromQL operations.
v3.9.0-rc.0Breaking16 fixes5 featuresThis release graduates Native Histograms to a stable feature, requiring configuration via `scrape_native_histogram`, and introduces several new features across the API, Promtool, and UI, alongside numerous bug fixes in PromQL and TSDB.
v3.8.11 fixThis release primarily addresses a bug in the Remote Write receiver concerning response headers in the v1 flow, which previously caused incorrect error reporting from Prometheus senders.
v3.8.011 fixes8 featuresThis release stabilizes Native Histograms as an optional feature, requiring explicit configuration via `scrape_native_histograms`, and introduces several performance enhancements and bug fixes across PromQL and the UI. It also updates the Remote-write 2 specification adherence.
v3.8.0-rc.1Breaking1 featureThis release updates the Remote-write 2 receiving specification, renaming the 'created timestamp' to 'start timestamp', and introduces support for the OAuth2 jwt-bearer grant-type.
v3.8.0-rc.011 fixes7 featuresThis release stabilizes Native Histograms as an optional feature, requiring explicit configuration via `scrape_native_histogram`. It also introduces several performance improvements across the UI and PromQL, alongside unified AWS service discovery.
v3.7.34 fixesThis release focuses on bug fixes, addressing issues in UI redirects, histogram federation, promtool configuration checking, and remote-write queue deadlocks.
v3.7.25 fixesThis release focuses on bug fixes across AWS SDK credential handling, Relabeling validation, and PromQL parsing and formatting issues.
v3.7.11 fixThis release fixes a bug in OTLP translation logic by reverting breaking changes introduced in version 3.7.0 regarding label name translation for OTel attribute names.
v3.7.0Breaking18 fixes6 featuresThis release introduces significant performance improvements across PromQL and TSDB, adds support for new features like native histograms with custom buckets, and fixes numerous bugs, while also warning about a breaking change in OTLP attribute name handling.
v3.7.0-rc.018 fixes6 featuresThis release introduces significant performance improvements across PromQL and TSDB, alongside new features like native histogram support in Federation and enhanced remote-write capabilities. Several legacy remote storage metrics have been deprecated in favor of more accurate replacements.
v3.6.011 fixes3 featuresThis release introduces several new PromQL functions, enhances OTLP support with new metadata promotion options, and includes numerous bug fixes across PromQL, TSDB, and configuration validation.
v3.6.0-rc.11 featureThis release introduces a new metric to monitor stale series within the TSDB Head block for improved observability.
v3.6.0-rc.011 fixes3 featuresThis release introduces new PromQL functions, an API endpoint for block metadata, and several template functions. Numerous bug fixes address issues in PromQL calculations, OTLP sample generation, and TSDB stability.
v3.5.017 fixes5 featuresVersion 3.5 is a Long Term Support (LTS) release introducing several new features in PromQL, OTLP, and Discovery, alongside numerous performance enhancements and bug fixes across the system.
v3.5.0-rc.117 fixes7 featuresThis release (3.5) is an LTS version introducing several new features, performance enhancements across PromQL, UI, and TSDB, and numerous bug fixes, while removing the OTLP scope metadata promotion feature present in RC.1.
v3.5.0-rc.017 fixes6 featuresThis release (3.5) is designated as Long Term Support (LTS) and introduces several new features, particularly around PromQL experimental functions and OTLP metadata promotion, alongside numerous performance enhancements and bug fixes.
v2.53.51 fix1 featureThis LTS patch release introduces backward compatibility for the upcoming TSDB block index v3 and fixes an issue related to updating GOGC before loading TSDB.
v3.4.21 fixThis release primarily addresses a bug fix in the OTLP receiver configuration handling.
v3.4.11 fixThis release primarily addresses a bug fix related to dangling references within parsers.
v3.4.07 fixes4 featuresThis release introduces several new features for OTLP translation, PromQL enhancements, and improved OTLP receiver capabilities. It also includes numerous bug fixes across configuration reloading, TSDB replay, and PromQL calculations.
v3.4.0-rc.07 fixes4 featuresThis release introduces several new features for OTLP translation, PromQL enhancements, and primitive support for delta metrics. It also includes numerous bug fixes across configuration reloading, TSDB replay, and PromQL calculations.
v3.3.12 fixesThis release primarily focuses on bug fixes, addressing a panic issue in Azure SD related to malformed log messages and updating GOGC before loading TSDB in the configuration.
v3.3.013 fixes10 featuresThis release introduces new PromQL functions (`idelta`, `irate`) for native histograms and includes numerous performance enhancements across TSDB, Remote-Write, and scraping. Numerous bugs related to PromQL calculations and TSDB replay stability have also been fixed.
v3.3.0-rc.14 fixesThis release focuses on bug fixes across several components, including memory reduction in Remote-Write, improved handling in Scraping, UI corrections for Alerting rules, and specific behavior adjustments in PromQL's irate function.
v3.3.0-rc.011 fixes10 featuresThis release introduces new PromQL functions for native histograms, enhances various components like Scaleway SD and UI, and includes significant performance improvements across TSDB, API, and scraping. Numerous bugs related to PromQL, TSDB reliability, and configuration handling have also been resolved.
v2.53.42 fixesThis release focuses on bug fixes, addressing high CPU usage related to GOGC settings and resolving an issue where valid metrics were dropped after a scrape failure.
v3.2.11 fixThis release primarily addresses a bug related to header sending when using the legacy metric name validation scheme.
v3.2.05 fixes2 featuresPrometheus v3.2.0 introduces UTF-8 support in relabel actions and rule names, adds OTLP delta-to-cumulative conversion, and includes various enhancements and bug fixes across components.
v3.2.0-rc.15 fixes3 featuresThis release introduces UTF-8 support for label replacement and rule names, adds OTLP delta-to-cumulative conversion, and includes various bug fixes across scraping, remote write, and the UI.