Canonical AI event

Vibe 2.25.3 introduces new branch command for forking conversations.

The new /branch command forks conversations into new sessions, preserving the original. Session logs are now private on POSIX systems.

11 Sept 20261 verified claims1 sources1 observations

What happened

The official source reports this update: v2.25.3. Added New /branch command forks the current conversation into a new resumable session, leaving the current session unchanged. Resume the copy in another terminal with vibe --resume . Changed Bump the local harness runtime to v0.4.5. Make @ file mentions use Git-aware discovery and accept standalone pasted files and folders. Fixed Retained chats remain readable and restore their worktrees when work resumes. New session logs are no longer readable by other users on POSIX systems. AGENTS.md instructions now load into the system prompt under the experimental unified harness.

Why it matters

This official update documents a development concerning v2.25.3. Its practical significance depends on the scope and evidence stated by the source.

What to watch next

Read the official source update and verify its stated scope, evidence and timing before acting on it.

Connected knowledge