{"version":"2.1.323","anchor":"subagent-spawn-observer-pairings-now-multiple-and-prompt-s","canonical_anchor":"subagent-spawn-observer-pairings-now-multiple-and-prompt-s","heading":"Subagents can have several observers attached when they start","tier":"internal","area":"Subagents","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.323\/e\/subagent-spawn-observer-pairings-now-multiple-and-prompt-s","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.323","markdown":"### Subagents can have several observers attached when they start\n\nStarting a subagent now arms a list of observers instead of one, and waits on a cancellable step before setting up its tools\n\n**Unclear.** What, if anything, this changes that a user can see is not stated.\n\n**What**\n\nA subagent is a separate helper Claude starts to handle part of a task. When one starts, Claude Code can now attach several observers to it instead of a single one. It also waits for a step that can be cancelled before setting up the tools the subagent may use.\n\n**Why**\n\nThis reworks, behind the scenes, how subagents are watched as they start.\n\n- Area: Subagents\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 2\/5\n- Scope: individual\n- Heads-up: no"}