Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
Internal ChangesKind: in v2.1.287,
Internal ChangesSection of the release
What
Claude Code can handle an artifact thread in the background, as a separate piece of work alongside your main conversation. The instructions given to the model for that background work now include an extra rule. Anything that belongs to the main session stays with the main session, and the background thread must not resume, relaunch or check on it. That covers:
Pending tasks
Background agents (helper instances of Claude working on their own)
Monitors
Next steps listed in a summary
The background thread is told that the thread itself is its whole job.
Why
This keeps the background thread focused on its own task, so it does not drift into work that your main session is already handling.