Changelog for v0.42.0-preview.0

[gemini-cli-robot]

This PR contains the auto-generated changelog for the v0.42.0-preview.0 release.

Please review and merge.

Related to #18505

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request updates the project changelog to reflect the v0.42.0-preview.0 release. It captures a wide range of improvements, including new features for memory management, voice mode UX, and CLI functionality, alongside various bug fixes and core infrastructure enhancements to improve overall system stability and resilience.

Highlights

• Auto Memory Enhancements: Introduced an Auto Memory inbox flow with a canonical-patch contract for better memory management.
• Improved Voice Mode: Added a wave animation, microphone icon updates, and privacy/compliance UX warnings for the Gemini Live backend.
• New CLI Commands & Flags: Added a --delete flag to the /exit command for session deletion, a list subcommand to /commands, and a /bug-memory command for heap snapshots.
• Expanded Model Support: Gemma 4 models are now enabled by default via the Gemini API.
• Enhanced Core Resilience: Improved API resilience with reduced timeouts, automatic retries for stream errors, and better handling of invalid stream events.

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[gemini-code-assist]

Code Review

This pull request updates the preview changelog for version v0.42.0-preview.0, released on May 05, 2026. Key highlights include enhancements to Auto Memory, improvements to Voice Mode with new animations and privacy warnings, new CLI commands such as /bug-memory, and the default enablement of Gemma 4 models. The update also documents various bug fixes and performance improvements across the CLI and core packages. I have no feedback to provide.

_{Note: Security Review has been skipped due to the limited scope of the PR.}

[github-actions]

Size Change: -4 B (0%)

Total Size: 34 MB

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