Issues

Issues

• Failed registration removes exposition names reserved by existing collectors

  prometheus/client_java#2667 · opened on Nov 7, 2026

• HEAD scrapes write a response body when gzip is negotiated

  prometheus/client_java#2665 · opened on Nov 7, 2026

• StateSet.Builder.unit(...) is accepted at build time, then every collect() throws

  prometheus/client_java#2632 · opened on Oct 31, 2026

• Proposal: Prometheus HTTP API client module (prometheus-metrics-api-client)

  prometheus/client_java#2306 · opened on Jul 16, 2026
  10

• Switch Micrometer compatibility workflow to upstream once typed-descriptor path becomes default

  prometheus/client_java#2182 · opened on Jun 3, 2026
  1

• Improve Summary quantiles with DataSketches

  prometheus/client_java#2084 · opened on May 1, 2026
  3

• Classic-only histogram: consider synchronized block instead of multi-LongAdder for observe() hot path

  prometheus/client_java#1915 · opened on Feb 25, 2026

• Remove separate-pull-requests workaround after upstream release-please fix

  prometheus/client_java#1903 · opened on Feb 20, 2026
  1

• Publish Nightly Snapshots

  prometheus/client_java#1852 · opened on Feb 5, 2026

• Escaping API inconsistencies

  prometheus/client_java#1577 · opened on Sep 19, 2025
  3

• Dependency Dashboard

  prometheus/client_java#1378 · opened on May 26, 2025

• Issue when using @Timed annotation with prometheus-metrics-instrumentation-dropwizard

  prometheus/client_java#1321 · opened on Apr 8, 2025
  6