chore(main): release 1.21.1

[openfeaturebot]

🤖 I have created a release beep boop

1.21.1 (2026-07-03)

🐛 Bug Fixes

• deps: update dependency io.cucumber:cucumber-bom to v7.34.4 (#1977) (e0bac33)
• deps: update dependency org.junit:junit-bom to v6.1.1 (#1979) (473755e)

🧹 Chore

• deps: update dependency com.diffplug.spotless:spotless-maven-plugin to v3.8.0 (#1980) (1b4490e)
• deps: update dependency net.bytebuddy:byte-buddy to v1.18.11-jdk5 (#1983) (e37c0e0)
• deps: update dependency net.bytebuddy:byte-buddy-agent to v1.18.11-jdk5 (#1984) (a7d4e8a)

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This PR was generated with Release Please. See documentation.

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📝 Walkthrough

Walkthrough

The PR updates repository version references from 1.21.0 to 1.21.1 across release metadata, build configuration, changelog entries, version storage, and README examples.

Changes

Release 1.21.1 Update

Layer / File(s)	Summary
Version refs and release notes .release-please-manifest.json, CHANGELOG.md, README.md, pom.xml, version.txt	Release tracking, build version, changelog, stored version, and README release/dependency references were updated to 1.21.1.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• open-feature/java-sdk#1905: Automated release version bump touching the same release-tracking and published version reference files.

Suggested labels: autorelease: tagged

Suggested reviewers: toddbaert

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title accurately summarizes the main change: an automated release of version 1.21.1.
Description check	✅ Passed	The description matches the changeset by documenting the 1.21.1 release and its dependency updates.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.21%. Comparing base (a7d4e8a) to head (495ed4a).

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1978      +/-   ##
============================================
+ Coverage     92.23%   93.21%   +0.97%     
- Complexity      669      672       +3     
============================================
  Files            59       59              
  Lines          1635     1635              
  Branches        186      186              
============================================
+ Hits           1508     1524      +16     
+ Misses           80       66      -14     
+ Partials         47       45       -2     

Flag	Coverage Δ
unittests	93.21% <ø> (+0.97%)	⬆️

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud