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gemini-cli/docs/changelogs/preview.md
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2026-05-28 17:44:19 +00:00

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# Preview release: v0.45.0-preview.0
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).
To install the preview release:
```
npm install -g @google/gemini-cli@preview
```
## Highlights
- **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 0.45.0-nightly.20260521.g854f811be by
@gemini-cli-robot in
[#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
[#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/v0.44.0-preview.0...v0.45.0-preview.0