Google Antigravity 2.12.0

2.12.0 September 2, 2026 Quoting, /boost, and improved Settings You can now highlight part of a response and quote it as context for a follow-up prompt, and paid users get the new /boost command for a deeper multi-agent reasoning pass. This release also brings UX improvements across settings, the chat panel, and sidebar navigation. Improvements (7) You can now highlight portions of Antigravity responses to quote as context for follow-up prompts. Introduced the /boost slash command to enhance thinking effort by using a multi-agent reasoning pipeline. General Settings now shows which of your projects override a setting, with a link to jump straight to that project's settings, and opening Settings opens the active project's settings when overrides are present. Terminal split layouts are now preserved across window reloads. The side question panel now has back and forward controls for stepping through the questions you have asked in a session. You can now send a message with the send button while dictation is still running, instead of having to stop recording first. Dragging to select a region of an image for a comment now updates the selection immediately upon release. Fixes (9) Added drag-and-drop and improved support for attaching audio files to conversations, and fixed an issue where WebM files were treated as audio. Fixed an issue that could cause authentication errors part way through a turn on slower network connections. Permission prompts again describe the specific action being requested instead of showing a generic title. Fixed an issue where subagents running side by side disappeared from the conversation when one of them reported progress. Fixed an issue where an extension or automation could briefly show an unavailable error after being restarted. A failing custom hook no longer ends the session; it is now reported as an error and the conversation continues. Fixed the connected tool server configuration dialog overflowing its window. Fixed the built-in work