Automatic subagent guidance added in version 1.2.5 for custom Markdown-defined agents. Agents that list invoke_subagent now automatically receive a roster of available subagents in their system prompt. The prompt also includes usage instructions, enabling the agents to delegate tasks to the declared subagents.
Google Antigravity 1.4.0 adds @file references to unsaved buffers
You can now reference unsaved editor buffers in chat using @file mentions. A new Provide Feedback command and Settings status bar item let you open extension settings and submit feedback directly from VS Code.