Real-time agents sidebar
Run several agents at once and keep progress visible while you manage the work in parallel.
Builder Product Updates
Comment in Projects
Leave feedback directly on a branch with comments that support media and @-mentions. Tagged teammates get an email that links straight to the branch. Learn more
Subagents
Delegate work to specialized agents like a code reviewer, debugger, or test runner. Sub agents run in their own context windows, and Builder can automatically route tasks to the right one. Learn more
Collaborate on pull requests in Builder
A new real-time view for PRs that makes async collaboration easier. Open branches attached to a PR so feedback doesn't bottleneck on a single developer.
Kanban view for branches
A new real-time view that shows branch status across In progress, In review, Merged, and Archived. It gives you better visibility into what is moving forward and helps you stay focused on the branches you are actively working on.
Agent skills
Define reusable instructions for recurring tasks so your agent follows your preferred approach every time. Learn more
Gemini 3.0 Flash
We’ve seen strong results using it for quick final-stretch iteration, debugging, and polish.
Queue chat messages without interrupting the agent
You can now submit messages while the agent is running without interrupting the current task. Messages are added to a queue and handled intelligently in order.
Edit, reorder, or remove queued messages at any time.