Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
AgentsArea: what it touches
Internal ChangesKind: in v2.1.321,
Internal ChangesSection of the release
What
An agent here is a helper that Claude Code runs on a separate task. When you move one that was running locally into the background, Claude Code can now mark it as a background agent. This happens behind a switch.