Posts tagged releases
B4.run 0.15: Give each step a contract
Learn what B4.run 0.15 changes for tool steps, structured replies, and sandboxed output, with the upgrade details for your agent app.
B4.run 0.14: Show your work
Learn what 0.14 adds for the people using your agent: an activity kit for React and Angular, chats that survive a reload, and src/auth.ts.
B4.run 0.13: A sandbox per thread
Learn what 0.13 adds for threads that need their own environment: per-thread images and permissions, staged workspaces and HTTP reads.
B4.run 0.9 to 0.12: The answer the user sees
Learn what 0.9 through 0.12 changed about the final answer: response schemas, an after hook, returnDirect tools and streamed tool arguments.
B4.run 0.8: The framework around the agent
Learn what 0.5 through 0.8 added around the agent: evals, tool permissions, sandboxes, delegation, typed memory, AG-UI clients and production builds.
B4.run 0.4: Start with an agent test
Learn how the offline agent test added to the starter in 0.4 works, and what a scripted model response can verify.
Build your own agent.
Scaffold a project and walk through every file it gives you.