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Changelog for v0.45.0-preview.0 #27495

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244 changes: 44 additions & 200 deletions docs/changelogs/preview.md
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Original file line number Diff line number Diff line change
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# Preview release: v0.44.0-preview.0
# Preview release: v0.45.0-preview.0

Released: May 22, 2026
Released: May 27, 2026

Our preview release includes the latest, new, and experimental features. This
release may not be as stable as our [latest weekly release](latest.md).
Expand All @@ -13,208 +13,52 @@ 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.
- **Context Simplification:** Completed major architectural work to simplify and
optimize how the agent manages and processes session context.
- **A2A Usage Metadata:** The Agent-to-Agent (A2A) interface now exposes
detailed usage metadata, providing better visibility into resource
consumption.
- **Improved Routing:** Updated default auto-routing logic and added bypasses
for certain routing classifiers to prevent orphaned function response errors.
- **Terminal Stability:** Fixed several issues affecting terminal environments,
including Termux relaunch loops and PTY resize errors.
- **Security & Fixes:** Strengthened MCP list security and addressed issues with
session resumption and PTY environment signals.

## What's Changed

- chore(release): bump version to 0.44.0-nightly.20260512.g022e8baef by
- chore(release): bump version to 0.45.0-nightly.20260521.g854f811be by
@gemini-cli-robot in
[#26957](https://github.com/google-gemini/gemini-cli/pull/26957)
- Changelog for v0.42.0 by @gemini-cli-robot in
[#26958](https://github.com/google-gemini/gemini-cli/pull/26958)
- Refactor: Eliminate `no-unsafe-return` suppressions via strict type validation
by @M-DEV-1 in
[#20668](https://github.com/google-gemini/gemini-cli/pull/20668)
- Changelog for v0.43.0-preview.0 by @gemini-cli-robot in
[#26959](https://github.com/google-gemini/gemini-cli/pull/26959)
- feat(core): change agent registration to first-wins and prioritize project by
@adamfweidman in
[#26953](https://github.com/google-gemini/gemini-cli/pull/26953)
- feat(cli): merge Auto modes into a single Auto mode by @DavidAPierce in
[#26714](https://github.com/google-gemini/gemini-cli/pull/26714)
- fix(core): preserve OAuth refresh tokens during rotation and retrieval by
@cocosheng-g in
[#26924](https://github.com/google-gemini/gemini-cli/pull/26924)
- fix(cli): allow keychain auth for --list-sessions and non-interactive mode by
@cocosheng-g in
[#26921](https://github.com/google-gemini/gemini-cli/pull/26921)
- fix(core): handle EISDIR on virtual drives in memory discovery by @cocosheng-g
in [#26985](https://github.com/google-gemini/gemini-cli/pull/26985)
- fix(cli): auto-approve shell redirections in AUTO_EDIT mode by @cocosheng-g in
[#27003](https://github.com/google-gemini/gemini-cli/pull/27003)
- ci: suppress bot comments during standard triage maintenance by @cocosheng-g
in [#27006](https://github.com/google-gemini/gemini-cli/pull/27006)
- fix(core): refresh MCP OAuth token usage after re-auth by @sahilkirad in
[#26312](https://github.com/google-gemini/gemini-cli/pull/26312)
- fix(ui): clamped table column widths by @devr0306 in
[#26991](https://github.com/google-gemini/gemini-cli/pull/26991)
- fix(core): isolate subagent thread context by @akh64bit in
[#26449](https://github.com/google-gemini/gemini-cli/pull/26449)
- chore: add execution permission to scripts/review.sh by @scidomino in
[#27009](https://github.com/google-gemini/gemini-cli/pull/27009)
- fix(core): made context files append instead of replace by @devr0306 in
[#26950](https://github.com/google-gemini/gemini-cli/pull/26950)
- fix: add system PATH fallback for ripgrep resolution (#26777) by @cocosheng-g
in [#26868](https://github.com/google-gemini/gemini-cli/pull/26868)
- chore: clean up launched memory features by @SandyTao520 in
[#26941](https://github.com/google-gemini/gemini-cli/pull/26941)
- fix(core): throttle shell text output and bound live UI buffer by
@emersonbusson in
[#26955](https://github.com/google-gemini/gemini-cli/pull/26955)
- fix(cli): don't crash when an @-mention captures a non-path blob by @ifitisit
in [#25980](https://github.com/google-gemini/gemini-cli/pull/25980)
- fix(core): ensure stable fallback for restricted preview models by @galz10 in
[#26999](https://github.com/google-gemini/gemini-cli/pull/26999)
- feat(core): expose RAG snippets to local log file for debugging by @spencer426
in [#27016](https://github.com/google-gemini/gemini-cli/pull/27016)
- fix(acp/auth): prevent conflicting credentials on enterprise gateways and
support optional API keys natively by @sripasg in
[#27021](https://github.com/google-gemini/gemini-cli/pull/27021)
- fix(core): respect NO_PROXY for network-based MCP servers by @cocosheng-g in
[#27012](https://github.com/google-gemini/gemini-cli/pull/27012)
- fix(cli): resolve permission denied in sandbox on NixOS and other distros by
@cocosheng-g in
[#27004](https://github.com/google-gemini/gemini-cli/pull/27004)
- fix(ui): preserve new line at the end of edit window by @devr0306 in
[#27057](https://github.com/google-gemini/gemini-cli/pull/27057)
- fix(core): ensure Vertex AI sets hasAccessToPreviewModels and remove
aggressive 404 fallback revocation by @galz10 in
[#27067](https://github.com/google-gemini/gemini-cli/pull/27067)
- fix(core): ensure stable admin settings comparison across IPC to prevent
restart loop by @DavidAPierce in
[#27066](https://github.com/google-gemini/gemini-cli/pull/27066)
- fix(deps): update vulnerable dependencies by @scidomino in
[#27062](https://github.com/google-gemini/gemini-cli/pull/27062)
- fix(core): resolve EISDIR errors during file processing (#21527) by @ProthamD
in [#27041](https://github.com/google-gemini/gemini-cli/pull/27041)
- docs(extensions): clarify env var sanitization policy for MCP and ext… by
@galz10 in [#22854](https://github.com/google-gemini/gemini-cli/pull/22854)
- fix(ui): add ENAMETOOLONG and ENOTDIR to exceptions for file parsing errors by
@devr0306 in [#27069](https://github.com/google-gemini/gemini-cli/pull/27069)
- fix(cli): explicitly clear entrypoint when spawning sandbox container by
@cocosheng-g in
[#27059](https://github.com/google-gemini/gemini-cli/pull/27059)
- docs: update sandbox image command by @sjhddh in
[#26774](https://github.com/google-gemini/gemini-cli/pull/26774)
- fix(core): externalize https-proxy-agent to fix proxy support by @sotokisehiro
in [#26361](https://github.com/google-gemini/gemini-cli/pull/26361)
- security: update dependencies to fix critical and high vulnerabilities by
@scidomino in [#27077](https://github.com/google-gemini/gemini-cli/pull/27077)
- Fix/web fetch ctrl c abort by @ProthamD in
[#24320](https://github.com/google-gemini/gemini-cli/pull/24320)
- fix(core): add aliases and thinking config for gemini-3.1 models by
@anishs1207 in
[#27007](https://github.com/google-gemini/gemini-cli/pull/27007)
- fix(core): use hasAccessToPreview for auto model resolution and fix
disappearing models by @DavidAPierce in
[#27112](https://github.com/google-gemini/gemini-cli/pull/27112)
- feat(core): add adk.agentSessionSubagentEnabled flag by @adamfweidman in
[#26947](https://github.com/google-gemini/gemini-cli/pull/26947)
- fix(core): enforce compile-time exhaustiveness in content-utils by
@adamfweidman in
[#27207](https://github.com/google-gemini/gemini-cli/pull/27207)
- feat(skills): add agent-tui and tui-tester skills by @adamfweidman in
[#27121](https://github.com/google-gemini/gemini-cli/pull/27121)
- fix(context): Fix snapshot recovery across sessions. by @joshualitt in
[#26939](https://github.com/google-gemini/gemini-cli/pull/26939)
- fix(core): add unit tests for stableStringify by @devr0306 in
[#27212](https://github.com/google-gemini/gemini-cli/pull/27212)
- fix(core): prefer pwsh.exe over Windows PowerShell 5.1 (#25859) by @kaluchi in
[#25900](https://github.com/google-gemini/gemini-cli/pull/25900)
- feat(core): add LocalSessionInvocation by @adamfweidman in
[#26665](https://github.com/google-gemini/gemini-cli/pull/26665)
- refactor: decouple auto model description and configuration from
releaseChannel by @danielweis in
[#27227](https://github.com/google-gemini/gemini-cli/pull/27227)
- fix(core): prevent isBinary false-positive on Windows PTY streams by
@TirthNaik-99 in
[#26565](https://github.com/google-gemini/gemini-cli/pull/26565)
- fix(cli): Prevent unmapped keys in Vim Normal mode from inserting text into
prompt Input. by @Rajeshpatel07 in
[#25139](https://github.com/google-gemini/gemini-cli/pull/25139)
- fix(a2a-server): Implement default policy loading for parity with CLI by
@kschaab in [#27073](https://github.com/google-gemini/gemini-cli/pull/27073)
- feat(core): add RemoteSessionInvocation by @adamfweidman in
[#26937](https://github.com/google-gemini/gemini-cli/pull/26937)
- fix: allow configured MCP servers in non-interactive mode by @cocosheng-g in
[#27215](https://github.com/google-gemini/gemini-cli/pull/27215)
- fix(core): add exception handling to migrateFromFileStorage by @devr0306 in
[#27229](https://github.com/google-gemini/gemini-cli/pull/27229)
- fix(cli): bundle ink worker-entry.js by @rmedranollamas in
[#27249](https://github.com/google-gemini/gemini-cli/pull/27249)
- feat(core): wire AgentSession invocations into agent-tool by @adamfweidman in
[#26948](https://github.com/google-gemini/gemini-cli/pull/26948)
- fix(core): prevent path traversal in custome command file injection by
@ompatel-aiml in
[#27234](https://github.com/google-gemini/gemini-cli/pull/27234)
- fix(core): respect NO_PROXY in global fetch dispatcher by @cocosheng-g in
[#27216](https://github.com/google-gemini/gemini-cli/pull/27216)
- fix(core): correctly handle nullable array types in MCP tools by @devr0306 in
[#27228](https://github.com/google-gemini/gemini-cli/pull/27228)
- fix(cli): preserve proxy-agent named exports in ESM bundle by @ashishch432 in
[#27145](https://github.com/google-gemini/gemini-cli/pull/27145)
- Proposal: deterministic encoding for child-process I/O by @kaluchi in
[#27247](https://github.com/google-gemini/gemini-cli/pull/27247)
- feat(cli): add Sublime Text and Emacs Client editors, improve error messages
and documentation by @alberti42 in
[#21090](https://github.com/google-gemini/gemini-cli/pull/21090)
- Changelog for v0.43.0-preview.1 by @gemini-cli-robot in
[#27297](https://github.com/google-gemini/gemini-cli/pull/27297)
- fix(devtools): bundle devtools package to avoid resolution errors by
[#27362](https://github.com/google-gemini/gemini-cli/pull/27362)
- fix(cli): prevent Termux relaunch and resize remount loops by @saymanq in
[#27110](https://github.com/google-gemini/gemini-cli/pull/27110)
- Feat/a2a expose usage metadata by @jvargassanchez-dot in
[#27288](https://github.com/google-gemini/gemini-cli/pull/27288)
- feat(context): Complete simplification work. by @joshualitt in
[#27345](https://github.com/google-gemini/gemini-cli/pull/27345)
- fix(core): force update_topic tool to execute sequentially by
@jvargassanchez-dot in
[#27357](https://github.com/google-gemini/gemini-cli/pull/27357)
- Changelog for v0.44.0-preview.0 by @gemini-cli-robot in
[#27360](https://github.com/google-gemini/gemini-cli/pull/27360)
- Changelog for v0.43.0 by @gemini-cli-robot in
[#27361](https://github.com/google-gemini/gemini-cli/pull/27361)
- Revert "fix(core): prevent SIGHUP kills in PTY environments" by @bbiggs in
[#27401](https://github.com/google-gemini/gemini-cli/pull/27401)
- fix(cli): filter internal session context from history during resumption by
@rmedranollamas in
[#27250](https://github.com/google-gemini/gemini-cli/pull/27250)
- fix(cli): integrate PolicyEngine into ACP session to prevent deadlocks
(#23507) by @cocosheng-g in
[#27252](https://github.com/google-gemini/gemini-cli/pull/27252)
- fix: robust ripgrep path resolution and 1p hermetic execution support by
@cocosheng-g in
[#27253](https://github.com/google-gemini/gemini-cli/pull/27253)
- refactor: decouple stored session deletion from ChatRecordingService (#22920)
by @yuvrajangadsingh in
[#27039](https://github.com/google-gemini/gemini-cli/pull/27039)
- fix(core): improve Alpine shell compatibility by @dibyx in
[#26770](https://github.com/google-gemini/gemini-cli/pull/26770)
- fix(core): generalize MCP compliance fix for tool results by @cocosheng-g in
[#27045](https://github.com/google-gemini/gemini-cli/pull/27045)
- fix(scripts): scrub CI env vars in dev to keep interactive mode by @Hashaam101
in [#27159](https://github.com/google-gemini/gemini-cli/pull/27159)
- fix(core): Added date field for the GCal MCP by @devr0306 in
[#27251](https://github.com/google-gemini/gemini-cli/pull/27251)
- fix(core): centralize path validation to prevent crashes from malformed
prompts by @cocosheng-g in
[#27211](https://github.com/google-gemini/gemini-cli/pull/27211)
- fix(core): prevent SIGHUP kills in PTY environments (WSL2/Kitty/Alacritty) by
@ProthamD in [#27267](https://github.com/google-gemini/gemini-cli/pull/27267)
- fix(core): dynamic fallback routing for exhausted quota models by @cocosheng-g
in [#27315](https://github.com/google-gemini/gemini-cli/pull/27315)
- Auto detect pnpm global installation path for macOS and Windows by @tisonkun
in [#22748](https://github.com/google-gemini/gemini-cli/pull/22748)
- fix(windows): resolve interactive shell arrow-key navigation on Windows by
@KumarADITHYA123 in
[#23505](https://github.com/google-gemini/gemini-cli/pull/23505)
- ci: robust stale issue lifecycle and consolidated triage labels by
@cocosheng-g in
[#27015](https://github.com/google-gemini/gemini-cli/pull/27015)
- fix(context): Ensure last message is processed. by @joshualitt in
[#27232](https://github.com/google-gemini/gemini-cli/pull/27232)
- chore/release: bump version to 0.44.0-nightly.20260521.g57c42a5c4 by
@gemini-cli-robot in
[#27324](https://github.com/google-gemini/gemini-cli/pull/27324)
- fix(ui): added volta to auto update check by @devr0306 in
[#27353](https://github.com/google-gemini/gemini-cli/pull/27353)
- perf: optimize issue triage and lifecycle management by @cocosheng-g in
[#27346](https://github.com/google-gemini/gemini-cli/pull/27346)
[#27391](https://github.com/google-gemini/gemini-cli/pull/27391)
- Update default auto routing by @DavidAPierce in
[#27071](https://github.com/google-gemini/gemini-cli/pull/27071)
- fix(core): bypass routing classifiers to prevent orphaned function response
errors by @danielweis in
[#27389](https://github.com/google-gemini/gemini-cli/pull/27389)
- fix(core): suppress PTY resize EBADF errors by @scidomino in
[#27461](https://github.com/google-gemini/gemini-cli/pull/27461)
- fix(core): prevent blacklist bypass in mcp list by @ompatel-aiml in
[#27377](https://github.com/google-gemini/gemini-cli/pull/27377)
- fix(cli): ignore unmapped vim normal keys by @MukundaKatta in
[#27102](https://github.com/google-gemini/gemini-cli/pull/27102)

**Full Changelog**:
https://github.com/google-gemini/gemini-cli/compare/v0.43.0-preview.1...v0.44.0-preview.0
https://github.com/google-gemini/gemini-cli/compare/v0.44.0-preview.0...v0.45.0-preview.0
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