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v1.21.1 / 2025-03-04

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@bwplotka bwplotka released this 04 Mar 14:29
· 44 commits to main since this release
v1.21.1
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bwplotka Bartlomiej Plotka
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Learn about vigilant mode.
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Learn about vigilant mode.

This release addresses a performance regression introduced in #1661 -- thanks to all who reported this quickly:
@chlunde, @dethi, @aaronbee @tsuna @kakkoyun 💪🏽. 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
All commits
  • Revert "exponential backoff for CAS operations on floats" and cut 1.21.1 by @bwplotka in #1757
  • Fix ios build for 1.21.1 by @bwplotka in #1758

Full Changelog: v1.21.0...v1.21.1

Contributors

tsuna, chlunde, and 4 other contributors
Assets 2
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