Preview release: v0.44.0-preview.0

Released: May 22, 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

• Simplified Modes: Merged existing Auto modes into a single, unified Auto mode for a more streamlined user experience.
• Enhanced Agent Registration: Improved agent registration logic to prioritize project-specific agents using a first-wins strategy.
• New Developer Skills: Introduced agent-tui and tui-tester skills to empower developers with better terminal UI testing and automation capabilities.
• Expanded Editor Support: Added support for Sublime Text and Emacs Client, providing more flexibility for external editing tasks.
• Session Management: Added new session invocation types (LocalSessionInvocation, RemoteSessionInvocation) and improved context recovery across sessions.

What's Changed

• chore(release): bump version to 0.44.0-nightly.20260512.g022e8baef by @gemini-cli-robot in #26957
• Changelog for v0.42.0 by @gemini-cli-robot in #26958
• Refactor: Eliminate no-unsafe-return suppressions via strict type validation by @M-DEV-1 in #20668
• Changelog for v0.43.0-preview.0 by @gemini-cli-robot in #26959
• feat(core): change agent registration to first-wins and prioritize project by @adamfweidman in #26953
• feat(cli): merge Auto modes into a single Auto mode by @DavidAPierce in #26714
• fix(core): preserve OAuth refresh tokens during rotation and retrieval by @cocosheng-g in #26924
• fix(cli): allow keychain auth for --list-sessions and non-interactive mode by @cocosheng-g in #26921
• fix(core): handle EISDIR on virtual drives in memory discovery by @cocosheng-g in #26985
• fix(cli): auto-approve shell redirections in AUTO_EDIT mode by @cocosheng-g in #27003
• ci: suppress bot comments during standard triage maintenance by @cocosheng-g in #27006
• fix(core): refresh MCP OAuth token usage after re-auth by @sahilkirad in #26312
• fix(ui): clamped table column widths by @devr0306 in #26991
• fix(core): isolate subagent thread context by @akh64bit in #26449
• chore: add execution permission to scripts/review.sh by @scidomino in #27009
• fix(core): made context files append instead of replace by @devr0306 in #26950
• fix: add system PATH fallback for ripgrep resolution (#26777) by @cocosheng-g in #26868
• chore: clean up launched memory features by @SandyTao520 in #26941
• fix(core): throttle shell text output and bound live UI buffer by @emersonbusson in #26955
• fix(cli): don't crash when an @-mention captures a non-path blob by @ifitisit in #25980
• fix(core): ensure stable fallback for restricted preview models by @galz10 in #26999
• feat(core): expose RAG snippets to local log file for debugging by @spencer426 in #27016
• fix(acp/auth): prevent conflicting credentials on enterprise gateways and support optional API keys natively by @sripasg in #27021
• fix(core): respect NO_PROXY for network-based MCP servers by @cocosheng-g in #27012
• fix(cli): resolve permission denied in sandbox on NixOS and other distros by @cocosheng-g in #27004
• fix(ui): preserve new line at the end of edit window by @devr0306 in #27057
• fix(core): ensure Vertex AI sets hasAccessToPreviewModels and remove aggressive 404 fallback revocation by @galz10 in #27067
• fix(core): ensure stable admin settings comparison across IPC to prevent restart loop by @DavidAPierce in #27066
• fix(deps): update vulnerable dependencies by @scidomino in #27062
• fix(core): resolve EISDIR errors during file processing (#21527) by @ProthamD in #27041
• docs(extensions): clarify env var sanitization policy for MCP and ext… by @galz10 in #22854
• fix(ui): add ENAMETOOLONG and ENOTDIR to exceptions for file parsing errors by @devr0306 in #27069
• fix(cli): explicitly clear entrypoint when spawning sandbox container by @cocosheng-g in #27059
• docs: update sandbox image command by @sjhddh in #26774
• fix(core): externalize https-proxy-agent to fix proxy support by @sotokisehiro in #26361
• security: update dependencies to fix critical and high vulnerabilities by @scidomino in #27077
• Fix/web fetch ctrl c abort by @ProthamD in #24320
• fix(core): add aliases and thinking config for gemini-3.1 models by @anishs1207 in #27007
• fix(core): use hasAccessToPreview for auto model resolution and fix disappearing models by @DavidAPierce in #27112
• feat(core): add adk.agentSessionSubagentEnabled flag by @adamfweidman in #26947
• fix(core): enforce compile-time exhaustiveness in content-utils by @adamfweidman in #27207
• feat(skills): add agent-tui and tui-tester skills by @adamfweidman in #27121
• fix(context): Fix snapshot recovery across sessions. by @joshualitt in #26939
• fix(core): add unit tests for stableStringify by @devr0306 in #27212
• fix(core): prefer pwsh.exe over Windows PowerShell 5.1 (#25859) by @kaluchi in #25900
• feat(core): add LocalSessionInvocation by @adamfweidman in #26665
• refactor: decouple auto model description and configuration from releaseChannel by @danielweis in #27227
• fix(core): prevent isBinary false-positive on Windows PTY streams by @TirthNaik-99 in #26565
• fix(cli): Prevent unmapped keys in Vim Normal mode from inserting text into prompt Input. by @Rajeshpatel07 in #25139
• fix(a2a-server): Implement default policy loading for parity with CLI by @kschaab in #27073
• feat(core): add RemoteSessionInvocation by @adamfweidman in #26937
• fix: allow configured MCP servers in non-interactive mode by @cocosheng-g in #27215
• fix(core): add exception handling to migrateFromFileStorage by @devr0306 in #27229
• fix(cli): bundle ink worker-entry.js by @rmedranollamas in #27249
• feat(core): wire AgentSession invocations into agent-tool by @adamfweidman in #26948
• fix(core): prevent path traversal in custome command file injection by @ompatel-aiml in #27234
• fix(core): respect NO_PROXY in global fetch dispatcher by @cocosheng-g in #27216
• fix(core): correctly handle nullable array types in MCP tools by @devr0306 in #27228
• fix(cli): preserve proxy-agent named exports in ESM bundle by @ashishch432 in #27145
• Proposal: deterministic encoding for child-process I/O by @kaluchi in #27247
• feat(cli): add Sublime Text and Emacs Client editors, improve error messages and documentation by @alberti42 in #21090
• Changelog for v0.43.0-preview.1 by @gemini-cli-robot in #27297
• fix(devtools): bundle devtools package to avoid resolution errors by @rmedranollamas in #27250
• fix(cli): integrate PolicyEngine into ACP session to prevent deadlocks (#23507) by @cocosheng-g in #27252
• fix: robust ripgrep path resolution and 1p hermetic execution support by @cocosheng-g in #27253
• refactor: decouple stored session deletion from ChatRecordingService (#22920) by @yuvrajangadsingh in #27039
• fix(core): improve Alpine shell compatibility by @dibyx in #26770
• fix(core): generalize MCP compliance fix for tool results by @cocosheng-g in #27045
• fix(scripts): scrub CI env vars in dev to keep interactive mode by @Hashaam101 in #27159
• fix(core): Added date field for the GCal MCP by @devr0306 in #27251
• fix(core): centralize path validation to prevent crashes from malformed prompts by @cocosheng-g in #27211
• fix(core): prevent SIGHUP kills in PTY environments (WSL2/Kitty/Alacritty) by @ProthamD in #27267
• fix(core): dynamic fallback routing for exhausted quota models by @cocosheng-g in #27315
• Auto detect pnpm global installation path for macOS and Windows by @tisonkun in #22748
• fix(windows): resolve interactive shell arrow-key navigation on Windows by @KumarADITHYA123 in #23505
• ci: robust stale issue lifecycle and consolidated triage labels by @cocosheng-g in #27015
• fix(context): Ensure last message is processed. by @joshualitt in #27232
• chore/release: bump version to 0.44.0-nightly.20260521.g57c42a5c4 by @gemini-cli-robot in #27324
• fix(ui): added volta to auto update check by @devr0306 in #27353
• perf: optimize issue triage and lifecycle management by @cocosheng-g in #27346

Full Changelog: https://github.com/google-gemini/gemini-cli/compare/v0.43.0-preview.1...v0.44.0-preview.0