Gemini CLI 0.21.0

What's Changed

• refactor(stdio): always patch stdout and use createWorkingStdio for clean output
• chore(release): bump version to 0.21.0-nightly.20251202.2d935b379
• implement fuzzy search inside settings
• feat: enable message bus integration by default
• docs: Recommend using --debug intead of --verbose for CLI debugging
• feat: consolidate remote MCP servers to use url in config
• Restrict integration tests tools
• track github repository names in telemetry events
• Allow telemetry exporters to GCP to utilize user's login credentials, if requested
• refactor(editor): use const assertion for editor types with single source of truth
• fix(security): Fix npm audit vulnerabilities in glob and body-parser
• Add new enterprise instructions
• feat(hooks): Hook Session Lifecycle & Compression Integration
• Avoid triggering refreshStatic unless there really is a banner to display.
• feat(hooks): Hooks Commands Panel, Enable/Disable, and Migrate
• fix: Bundle default policies for npx distribution
• feat(hooks): Hook System Documentation
• Fix tests
• feat: add scheduled workflow to close stale issues
• feat: Support Extension Hooks with Security Warning
• feat: Add enableAgents experimental flag
• docs: fix typo 'socus' to 'focus' in todos.md
• Markdown export: move the emoji to the end of the line
• fix(acp): prevent unnecessary credential cache clearing on re-authent…
• fix(cli): Fix word navigation for CJK characters
• Remove example extension
• Add commands for listing and updating per-extension settings
• chore(tests): remove obsolete test for hierarchical memory
• feat(cli): support /copy in remote sessions using OSC52
• Update setting search UX
• Fix(cli): Improve Homebrew update instruction to specify gemini-cli
• do not toggle the setting item when entering space
• fix: improve retry logic for fetch errors and network codes
• remove unused isSearching field
• feat(mcp): add --type alias for --transport flag in gemini mcp add
• feat(cli): Move key restore logic to core
• feat: add auto-execute on Enter behavior to argumentless MCP prompts
• fix(shell): cursor visibility when using interactive mode
• Adding session id as part of json o/p
• fix(extensions): resolve GitHub API 415 error for source tarballs
• fix(client): Correctly latch hasFailedCompressionAttempt flag
• Disable flaky extension reloading test on linux
• Add support for MCP dynamic tool update by notifications/tools/list_changed
• Fix privacy screen for legacy tier users
• feat: Exclude maintainer labeled issues from stale issue closer
• Grant chained workflows proper permission.
• Make trigger_e2e manually fireable.
• Write e2e status to local repo not forked repo
• Fixes [API Error: Cannot read properties of undefined (reading 'error')]
• Trigger chained e2e tests on all pull requests
• Fix bug in the shellExecutionService resulting in both truncation and 3X bloat
• Fix issue where we were passing the model content reflecting terminal line wrapping.
• chore/release: bump version to 0.21.0-nightly.20251204.3da4fd5f7
• feat(sessions): use 1-line generated session summary to describe sessions
• Use Robot PAT for chained e2e merge queue skipper
• fix(core): improve API response error handling and retry logic
• Docs: Model routing clarification
• expose previewFeatures flag in a2a
• Fix emoji width in debug console.
• Fully detach autoupgrade process
• Docs: Update Gemini 3 on Gemini CLI documentation
• Disallow floating promises.
• chore/release: bump version to 0.21.0-nightly.20251207.025e450ac
• feat(modelAvailabilityService): integrate model availability service into backend logic
• Add prompt_id propagation in a2a-server task
• Fix: Prevent freezing in non-interactive Gemini CLI when debug mode is enabled
• fix(audio): improve reading of audio files
• Update automated triage workflow to stop assigning priority labels
• set failed status when chained e2e fails
• feat(github action) Triage and Label Pull Requests by Size and Comple…
• refactor(telemetry): Improve previous PR that allows telemetry to use the CLI auth and add testing
• Always set status in chained_e2e workflow
• feat: Add OTEL log event gemini_cli.startup_stats for startup stats.
• feat: auto-execute on slash command completion functions
• Docs: Proper release notes
• Add support for user-scoped extension settings
• refactor(core): Improve environment variable handling in shell execution
• Remove old E2E Workflows
• fix: handle missing local extension config and skip hooks when disabled
• chore/release: bump version to 0.21.0-nightly.20251209.ec9a8c7a7
• feat: Add support for MCP Resources
• Always set pending status in E2E tests
• fix(lint): upgrade pip and use public pypi for yamllint
• fix: use Gemini API supported image formats for clipboard
• feat(a2a): Introduce restore command for a2a server
• allow final:true to be returned on a2a server edit calls.
• (fix) Automated pr labeller
• Update CODEOWNERS
• Docs: Fix errors preventing site rebuild.
• chore(deps): bump express from 5.1.0 to 5.2.0 by @dependabot[bot] in https://github.com/google-gemini/gemini-cli/pull/14325
• fix(patch): cherry-pick 3f5f030 to release/v0.21.0-preview.0-pr-14843 to patch version v0.21.0-preview.0 and create version 0.21.0-preview.1
• fix(patch): cherry-pick ee6556c to release/v0.21.0-preview.1-pr-14691 to patch version v0.21.0-preview.1 and create version 0.21.0-preview.2
• fix(patch): cherry-pick 54de675 to release/v0.21.0-preview.2-pr-14961 [CONFLICTS]
• fix(patch): cherry-pick 12cbe32 to release/v0.21.0-preview.3-pr-15000 to patch version v0.21.0-preview.3 and create version 0.21.0-preview.4
• fix(patch): cherry-pick edbe548 to release/v0.21.0-preview.4-pr-15007 to patch version v0.21.0-preview.4 and create version 0.21.0-preview.5
• fix(patch): cherry-pick 2995af6 to release/v0.21.0-preview.5-pr-15131 to patch version v0.21.0-preview.5 and create version 0.21.0-preview.6