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.

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.

chore(release): bump version to 0.45.0-nightly.20260521.g854f811be by @gemini-cli-robot in #27362
fix(cli): prevent Termux relaunch and resize remount loops by @saymanq in #27110
Feat/a2a expose usage metadata by @jvargassanchez-dot in #27288
feat(context): Complete simplification work. by @joshualitt in #27345
fix(core): force update_topic tool to execute sequentially by @jvargassanchez-dot in #27357
Changelog for v0.44.0-preview.0 by @gemini-cli-robot in #27360
Changelog for v0.43.0 by @gemini-cli-robot in #27361
Revert "fix(core): prevent SIGHUP kills in PTY environments" by @bbiggs in #27401
fix(cli): filter internal session context from history during resumption by @rmedranollamas in #27391
Update default auto routing by @DavidAPierce in #27071
fix(core): bypass routing classifiers to prevent orphaned function response errors by @danielweis in #27389
fix(core): suppress PTY resize EBADF errors by @scidomino in #27461
fix(core): prevent blacklist bypass in mcp list by @ompatel-aiml in #27377
fix(cli): ignore unmapped vim normal keys by @MukundaKatta in #27102

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