Google Antigravity IDE 1.18.3

Released Feb 19, 2026 · official source

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New settings screens for models and terminal integration, artifact download support, and various stability and UI fixes across platforms.

Improvements(6)

Gemini 3.1 Pro availability.
Added Models screen to settings, providing more visibility into quota usage.
Added a setting to enable or disable terminal integration.
Support for downloading artifacts from the chat UI.
Up/down arrow key navigation for input box history.
Improved UI responsiveness for chat interactions, including creating conversations, sending messages, and reverting changes.

Fixes(3)

Resolved an issue where external plugins could fail to load on macOS due to signing problems.
Fixed certain artifact files not being recognized as artifacts and missing the 'Proceed' button in the chat UI on Windows.
Fixed an issue where reverting could occasionally delete files edited by the agent.

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