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Prometheus v2.38.0 Release Notes

Release Date: 2022-08-16 // over 1 year ago
    • 🌐 [FEATURE]: Web: Add a /api/v1/format_query HTTP API endpoint that allows pretty-formatting PromQL expressions. #11036 #10544 #11005
    • 💻 [FEATURE]: UI: Add support for formatting PromQL expressions in the UI. #11039
    • 👍 [FEATURE]: DNS SD: Support MX records for discovering targets. #10099
    • [FEATURE]: Templates: Add toTime() template function that allows converting sample timestamps to Go time.Time values. #10993
    • [ENHANCEMENT]: Kubernetes SD: Add __meta_kubernetes_service_port_number meta label indicating the service port number. #11002 #11053
    • [ENHANCEMENT]: Kubernetes SD: Add __meta_kubernetes_pod_container_image meta label indicating the container image. #11034 #11146
    • 🌲 [ENHANCEMENT]: PromQL: When a query panics, also log the query itself alongside the panic message. #10995
    • 💻 [ENHANCEMENT]: UI: Tweak colors in the dark theme to improve the contrast ratio. #11068
    • 🌐 [ENHANCEMENT]: Web: Speed up calls to /api/v1/rules by avoiding locks and using atomic types instead. #10858
    • 🚚 [ENHANCEMENT]: Scrape: Add a no-default-scrape-port feature flag, which omits or removes any default HTTP (:80) or HTTPS (:443) ports in the target's scrape address. #9523
    • 🛠 [BUGFIX]: TSDB: In the WAL watcher metrics, expose the type="exemplar" label instead of type="unknown" for exemplar records. #11008
    • 🛠 [BUGFIX]: TSDB: Fix race condition around allocating series IDs during chunk snapshot loading. #11099