Gemini CLI 0.22.0

What's Changed

• feat(ide): fallback to GEMINI_CLI_IDE_AUTH_TOKEN env var
• feat: display quota stats for unused models in /stats
• feat: ensure codebase investigator uses preview model when main agent does
• chore: add closing reason to stale bug workflow
• Send the model and CLI version with the user agent
• refactor(sessions): move session summary generation to startup
• Limit search depth in path corrector
• Fix: Correct typo in code comment
• feat(core): Plumbing for late resolution of model configs.
• feat: attempt more error parsing
• Add missing await.
• feat(core): Add support for transcript_path in hooks for git-ai/Gemini extension
• refactor: implement DelegateToAgentTool with discriminated union
• feat: reset availabilityService on /auth
• chore/release: bump version to 0.21.0-nightly.20251211.8c83e1ea9
• Fix: Correctly detect MCP tool errors
• increase labeler timeout
• tool(cli): tweak the frontend tool to be aware of more core files from the cli
• feat(cli): polish cached token stats and simplify stats display when quota is present.
• feat(settings-validation): add validation for settings schema
• fix(ide): Update IDE extension to write auth token in env var
• Revert "chore(deps): bump express from 5.1.0 to 5.2.0"
• feat(a2a): Introduce /init command for a2a server
• feat: support multi-file drag and drop of images
• fix(policy): allow codebase_investigator by default in read-only policy
• refactor(ide ext): Update port file name + switch to 1-based index for characters + remove truncation text
• fix(vscode-ide-companion): correct license generation for workspace dependencies
• fix: temp fix for subagent invocation until subagent delegation is merged to stable
• test: update ide detection tests to make them more robust when run in an ide
• Remove flex from stats display. See snapshots for diffs.
• Add license field into package.json
• feat: Persistent "Always Allow" policies with granular shell & MCP support
• chore/release: bump version to 0.21.0-nightly.20251212.54de67536
• fix(core): commandPrefix word boundary and compound command safety
• chore(docs): add 'Maintainers only' label info to CONTRIBUTING.md
• Refresh hooks when refreshing extensions.
• Add clarity to error messages
• chore: remove a redundant tip
• chore/release: bump version to 0.21.0-nightly.20251213.977248e09
• Disallow redundant typecasts.
• fix(auth): prioritize GEMINI_API_KEY env var and skip unnecessary key…
• fix: use zod for safety check result validation
• update(telemetry): add hashed_extension_name to field to extension events
• fix: similar to policy-engine, throw error in case of requiring tool execution confirmation for non-interactive mode
• Clean up processes in integration tests
• docs: update policy engine getting started and defaults
• Fix tool output fragmentation by encapsulating content in functionResponse
• Simplify method signature.
• Show raw input token counts in json output.
• fix: Mark A2A requests as interactive
• use previewFeatures to determine which pro model to use for A2A
• refactor(cli): fix settings merging so that settings using the new json format take priority over ones using the old format
• fix(patch): cherry-pick a6d1245 to release/v0.22.0-preview.1-pr-15214 to patch version v0.22.0-preview.1 and create version 0.22.0-preview.2
• fix(patch): cherry-pick 9e6914d to release/v0.22.0-preview.2-pr-15288 to patch version v0.22.0-preview.2 and create version 0.22.0-preview.3