Release 1.2.1

[lawrence-forooghian]

Summary

• Bumps version to 1.2.1
• Updates CHANGELOG.md with release notes

Changes since 1.2.0

• Fixed Xcode 26.4 compilation error ([ECO-5702] Fix Xcode 26.4 compilation error #482)

Test plan

• CI passes on this branch
• Verify Version.swift shows 1.2.1
• Verify CHANGELOG.md entry is correct

🤖 Generated with Claude Code

Summary by CodeRabbit

Bug Fixes

• Fixed an Xcode 26.4 compilation error

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Version: 1.2.1

[coderabbitai]

Walkthrough

Version 1.2.1 release update. The version constant is bumped from 1.2.0 to 1.2.1 in the Swift source code, and a new changelog entry documents a bug fix for an Xcode 26.4 compilation error addressed in PR #482.

Changes

Cohort / File(s)	Summary
Version Bump CHANGELOG.md, Sources/AblyChat/Version.swift	Updated version identifier from 1.2.1 to 1.2.2 and added changelog entry documenting Xcode 26.4 compilation error fix.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A tiny hop from 1.2.0,
To 1.2.1, swift as snow,
Xcode's troubles now are gone,
The changelog sings a happy song,
Small changes, yet the path shines on! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'Release 1.2.1' is clear and directly reflects the main purpose of the pull request: bumping the version and creating a release. It is specific, concise, and accurately summarizes the primary change.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release/1.2.1

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