gemini-cli/docs/changelogs/preview.md

Preview release: v0.41.0-preview.0

Released: April 28, 2026

Our preview release includes the latest, new, and experimental features. This release may not be as stable as our latest weekly release.

To install the preview release:

npm install -g @google/gemini-cli@preview

Highlights

• Real-Time Voice Mode: Implemented a new real-time voice mode supporting both cloud and local backends for a more interactive experience.
• Enhanced Security & Trust: Enforced workspace trust in headless mode and secured .env file loading to improve system integrity.
• Expanded Model Support: Added experimental support for Gemma 4 models in both core and CLI packages.
• Improved Core Infrastructure: Wired up new ContextManager and AgentChatHistory for better state management, and optimized boot performance by fetching experiments and quota asynchronously.
• New Developer Tools & UX: Added support for output redirection for CLI commands, manual session UUIDs via command-line arguments, and persistent auto-memory scratchpad for skill extraction.

What's Changed

• chore(release): bump version to 0.41.0-nightly.20260423.gaa05b4583 by @gemini-cli-robot in #25847
• fix(core): only show list suggestion if the partial input is empty by @cynthialong0-0 in #25821
• feat(cli): secure .env loading and enforce workspace trust in headless mode by @ehedlund in #25814
• fix: fatal hard-crash on loop detection via unhandled AbortError by @hsm207 in #20108
• update package-lock.json by @ehedlund in #25876
• feat(core): enhance shell command validation and add core tools allowlist by @galz10 in #25720
• fix(ui): corrected background color check in user message components by @devr0306 in #25880
• perf(core): fix slow boot by fetching experiments and quota asynchronously by @spencer426 in #25758
• feat(core,cli): add support for Gemma 4 models (experimental) by @Abhijit-2592 in #25604
• update FatalUntrustedWorkspaceError message to include doc link by @ehedlund in #25874
• docs: add Gemini CLI course link to README by @JayadityaGit in #25925
• feat(repo): add gemini-cli-bot metrics and workflows by @gundermanc in #25888
• fix(cli): allow output redirection for cli commands by @spencer426 in #25894
• fix(core): fail closed in YOLO mode when shell parsing fails for restricted rules by @ehedlund in #25935
• fix(cli-ui): revert backspace handling to fix Windows regression by @scidomino in #25941
• feat(voice): implement real-time voice mode with cloud and local backends by @Abhijit-2592 in #24174
• Changelog for v0.39.0 by @gemini-cli-robot in #25848
• feat(memory): persist auto-memory scratchpad for skill extraction by @SandyTao520 in #25873
• fix(cli): add missing response key to custom theme text schema by @gaurav0107 in #25822
• fix(cli): provide manual update command when automatic update fails by @cocosheng-g in #26052
• test(cli): add unit tests for restore ACP command (#23402) by @cocosheng-g in #26053
• fix(ui): better error messages for ECONNRESET and ETIMEDOUT by @devr0306 in #26059
• feat(core): wire up the new ContextManager and AgentChatHistory by @joshualitt in #25409
• fix(cli): ensure sandbox proxy cleanup and remove handler leaks by @ehedlund in #26065
• fix(cli): correct alternate buffer warning logic for JetBrains by @Adib234 in #26067
• fix(cli): make MCP ping optional in list command and use configured timeout by @cocosheng-g in #26068
• fix(core): better error message for failed cloudshell-gca auth by @devr0306 in #26079
• feat(cli): provide manual session UUID via command line arg by @cocosheng-g in #26060
• Changelog for v0.40.0-preview.2 by @gemini-cli-robot in #25846
• (docs) update sandboxing documentation by @g-samroberts in #25930
• fix(core): enforce parallel task tracker updates by @anj-s in #24477
• Update policy so transient errors are not marked terminal by @DavidAPierce in #26066
• Implement bot that performs time-series metric analysis and suggests repo management improvements by @gundermanc in #25945
• fix(core): handle non-string model flags in resolution by @Adib234 in #26069
• fix(ux): added error message for ENOTDIR by @devr0306 in #26128
• Changelog for v0.40.0-preview.3 by @gemini-cli-robot in #25904
• fix(cli): prevent ACP stdout pollution from SessionEnd hooks by @cocosheng-g in #26125
• feat(cli): support boolean and number casting for env vars in settings.json by @cocosheng-g in #26118
• fix(cli): preserve Request headers in DevTools activity logger by @Adib234 in #26078

Full Changelog: https://github.com/google-gemini/gemini-cli/compare/v0.40.0-preview.5...v0.41.0-preview.0