Cut 1.21.1

Signed-off-by: bwplotka <[email protected]>
prometheus · Mar 4, 2025 · 689f590 · 689f590
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diff --git a/CHANGELOG.md b/CHANGELOG.md
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 ## Unreleased
 
+## 1.21.1 / 2025-03-04
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+* [BUGFIX] prometheus: Revert of `Inc`, `Add` and `Observe` cumulative metric CAS optimizations (#1661), causing regressions on low contention cases.
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 ## 1.21.0 / 2025-02-17
 
 :warning: This release contains potential breaking change if you upgrade `github.com/prometheus/common` to 0.62+ together with client_golang. :warning:

diff --git a/VERSION b/VERSION
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-1.21.0
+1.21.1