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@renovate renovate bot commented Mar 4, 2025

This PR contains the following updates:

Package Change Age Adoption Passing Confidence
github.com/prometheus/client_golang v1.21.0 -> v1.21.1 age adoption passing confidence

Release Notes

prometheus/client_golang (github.com/prometheus/client_golang)

v1.21.1: / 2025-03-04

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This release addresses a major performance regression introduced in #​1661 -- thanks to all who reported this quickly:
@​chlunde, @​dethi, @​aaronbee @​tsuna 💪🏽. This patch release also fixes the iOS build.

We will be hardening the release process even further (#​1759, #​1761) to prevent this in future, sorry for the inconvenience!

The high concurrency optimization is planned to be eventually reintroduced, however in a much safer manner, potentially in a separate API.

  • [BUGFIX] prometheus: Revert of Inc, Add and Observe cumulative metric CAS optimizations (#​1661), causing regressions on low concurrency cases #​1757
  • [BUGFIX] prometheus: Fix GOOS=ios build, broken due to process_collector_* wrong build tags. #​1758
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Full Changelog: prometheus/client_golang@v1.21.0...v1.21.1


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@renovate renovate bot added the dependencies Upgrade dependencies and tools label Mar 4, 2025
@renovate renovate bot enabled auto-merge (squash) March 4, 2025 15:53
@renovate renovate bot merged commit a3b92c4 into main Mar 4, 2025
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@renovate renovate bot deleted the renovate/github.com-prometheus-client_golang-1.21.x branch March 4, 2025 15:59
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