Issues

• promhttp: don't escape UTF-8 names by default for OpenMetrics 2.0

  prometheus/client_golang#2149 · Filter by author bwplotka opened on Oct 3, 2026

• Registry.Gather: a blocked Metric.Write keeps vec RLock and blocks all WithLabelValues calls

  prometheus/client_golang#2147 · Filter by author lif0 opened on Oct 2, 2026
  1

• exp/api: Enhance context and logging during remote API retries

  prometheus/client_golang#2130 · Filter by author AbdulKreemShah2408 opened on Sep 22, 2026
  1

• exp/api: Refactor writeHeaders to cleanly handle WriteResponseStats confirmation status

  prometheus/client_golang#2129 · Filter by author AbdulKreemShah2408 opened on Sep 22, 2026
  1

• Performance: reconsider sync.Pool for gzip

  prometheus/client_golang#2126 · Filter by author howardjohn opened on Sep 18, 2026
  1

• Move from unmaintained json-iterator custom encoders to json/v2 encoding

  prometheus/client_golang#2105 · Filter by author liggitt opened on Sep 5, 2026
  5

• Question: What are the best practices for testing exposed metrics compatibility?

  question
  prometheus/client_golang#2004 · Filter by author iypetrov opened on May 13, 2026
  5

• Consider moving to OpenAPI based HTTP API

  gogood first issuehelp wanted
  prometheus/client_golang#1998 · Filter by author bwplotka opened on May 7, 2026
  3

• Proposal: built-in TTL

  prometheus/client_golang#1983 · Filter by author jpinsonneau opened on Apr 14, 2026
  5

• Plan for how to relax exemplar max runes for OM 2.0

  prometheus/client_golang#1953 · Filter by author dashpole opened on Feb 26, 2026
  4

  

• bug: metrics with no label constraint are exposed to potential race conditions

  prometheus/client_golang#1951 · Filter by author denopink opened on Feb 16, 2026
  2

  

• Avoiding "duplicate metrics collector registration attempted" error while running parallel tests

  prometheus/client_golang#1937 · Filter by author vantassell opened on Jan 7, 2026

• Native histogram example

  prometheus/client_golang#1918 · Filter by author lilic opened on Nov 27, 2025
  5

• Improve bucketing of native histograms with positive schema

  prometheus/client_golang#1916 · Filter by author wyfo opened on Nov 15, 2025
  1

• Improve classic histogram algorithm

  prometheus/client_golang#1915 · Filter by author wyfo opened on Nov 15, 2025

• docs: Add guidance on adding new indirect/direct imports.

  chore
  prometheus/client_golang#1913 · Filter by author bwplotka opened on Nov 4, 2025

• Request to upgrade EOL dependency github.com/munnerz/goautoneg:20191010-snapshot-a7dc8b61

  chore
  prometheus/client_golang#1887 · Filter by author ShivaliBandi opened on Oct 7, 2025

• Dependency github.com/beorn7/perks:v1.0.1 is EOL — request to upgrade

  prometheus/client_golang#1886 · Filter by author ShivaliBandi opened on Oct 7, 2025
  1

• invalid memory address with WithLabelValues()

  prometheus/client_golang#1877 · Filter by author fengxuway opened on Sep 19, 2025

• Error building with Go 1.25

  prometheus/client_golang#1875 · Filter by author levihackerman-102 opened on Sep 11, 2025
  1

• Error with ValidationScheme has no field or method IsValidMetricName

  question
  prometheus/client_golang#1873 · Filter by author heliapb opened on Sep 9, 2025
  1

• api: no way to get query stats

  prometheus/client_golang#1840 · Filter by author giulianopz opened on Jul 15, 2025
  1

• Inconsistent result with same API call to Prometheus via client_golang

  prometheus/client_golang#1836 · Filter by author ShipingDeng opened on Jul 15, 2025

• [signal SIGSEGV: segmentation violation code=0x80 addr=0x0 pc=0x2249bab]

  need investigationneed more information
  prometheus/client_golang#1829 · Filter by author Hazel6869 opened on Jul 3, 2025
  2

• Native histograms: testutil to provide ways to verify native histograms

  enhancementfeature request
  prometheus/client_golang#1824 · Filter by author krajorama opened on Jun 30, 2025
  1