Released: December 16, 2025
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
- feat(ide): fallback to GEMINI_CLI_IDE_AUTH_TOKEN env var by @skeshive in google-gemini#14843
- feat: display quota stats for unused models in /stats by @sehoon38 in google-gemini#14764
- feat: ensure codebase investigator uses preview model when main agent does by @abhipatel12 in google-gemini#14412
- chore: add closing reason to stale bug workflow by @galz10 in google-gemini#14861
- Send the model and CLI version with the user agent by @gundermanc in google-gemini#14865
- refactor(sessions): move session summary generation to startup by @jackwotherspoon in google-gemini#14691
- Limit search depth in path corrector by @scidomino in google-gemini#14869
- Fix: Correct typo in code comment by @kuishou68 in google-gemini#14671
- feat(core): Plumbing for late resolution of model configs. by @joshualitt in google-gemini#14597
- feat: attempt more error parsing by @adamfweidman in google-gemini#14899
- Add missing await. by @gundermanc in google-gemini#14910
- feat(core): Add support for transcript_path in hooks for git-ai/Gemini extension by @svarlamov in google-gemini#14663
- refactor: implement DelegateToAgentTool with discriminated union by @abhipatel12 in google-gemini#14769
- feat: reset availabilityService on /auth by @adamfweidman in google-gemini#14911
- chore/release: bump version to 0.21.0-nightly.20251211.8c83e1ea9 by @gemini-cli-robot in google-gemini#14924
- Fix: Correctly detect MCP tool errors by @kevin-ramdass in google-gemini#14937
- increase labeler timeout by @scidomino in google-gemini#14922
- tool(cli): tweak the frontend tool to be aware of more core files from the cli by @jacob314 in google-gemini#14962
- feat(cli): polish cached token stats and simplify stats display when quota is present. by @jacob314 in google-gemini#14961
- feat(settings-validation): add validation for settings schema by @lifefloating in google-gemini#12929
- fix(ide): Update IDE extension to write auth token in env var by @skeshive in google-gemini#14999
- Revert "chore(deps): bump express from 5.1.0 to 5.2.0" by @skeshive in google-gemini#14998
- feat(a2a): Introduce /init command for a2a server by @cocosheng-g in google-gemini#13419
- feat: support multi-file drag and drop of images by @jackwotherspoon in google-gemini#14832
- fix(policy): allow codebase_investigator by default in read-only policy by @abhipatel12 in google-gemini#15000
- refactor(ide ext): Update port file name + switch to 1-based index for characters + remove truncation text by @skeshive in google-gemini#10501
- fix(vscode-ide-companion): correct license generation for workspace dependencies by @skeshive in google-gemini#15004
- fix: temp fix for subagent invocation until subagent delegation is merged to stable by @abhipatel12 in google-gemini#15007
- test: update ide detection tests to make them more robust when run in an ide by @kevin-ramdass in google-gemini#15008
- Remove flex from stats display. See snapshots for diffs. by @jacob314 in google-gemini#14983
- Add license field into package.json by @jb-perez in google-gemini#14473
- feat: Persistent "Always Allow" policies with granular shell & MCP support by @allenhutchison in google-gemini#14737
- chore/release: bump version to 0.21.0-nightly.20251212.54de67536 by @gemini-cli-robot in google-gemini#14969
- fix(core): commandPrefix word boundary and compound command safety by @allenhutchison in google-gemini#15006
- chore(docs): add 'Maintainers only' label info to CONTRIBUTING.md by @jacob314 in google-gemini#14914
- Refresh hooks when refreshing extensions. by @scidomino in google-gemini#14918
- Add clarity to error messages by @gsehgal in google-gemini#14879
- chore : remove a redundant tip by @JayadityaGit in google-gemini#14947
- chore/release: bump version to 0.21.0-nightly.20251213.977248e09 by @gemini-cli-robot in google-gemini#15029
- Disallow redundant typecasts. by @gundermanc in google-gemini#15030
- fix(auth): prioritize GEMINI_API_KEY env var and skip unnecessary key… by @galz10 in google-gemini#14745
- fix: use zod for safety check result validation by @allenhutchison in google-gemini#15026
- update(telemetry): add hashed_extension_name to field to extension events by @kiranani in google-gemini#15025
- fix: similar to policy-engine, throw error in case of requiring tool execution confirmation for non-interactive mode by @MayV in google-gemini#14702
- Clean up processes in integration tests by @scidomino in google-gemini#15102
- docs: update policy engine getting started and defaults by @NTaylorMullen in google-gemini#15105
- Fix tool output fragmentation by encapsulating content in functionResponse by @abhipatel12 in google-gemini#13082
- Simplify method signature. by @scidomino in google-gemini#15114
- Show raw input token counts in json output. by @jacob314 in google-gemini#15021
- fix: Mark A2A requests as interactive by @MayV in google-gemini#15108
- use previewFeatures to determine which pro model to use for A2A by @sehoon38 in google-gemini#15131
- refactor(cli): fix settings merging so that settings using the new json format take priority over ones using the old format by @jacob314 in google-gemini#15116
Full Changelog: https://github.com/google-gemini/gemini-cli/compare/v0.21.0-preview.6...v0.22.0-preview.0