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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v1.0.41

New SubagentStop Hook Event

A new hook event type SubagentStop has been added to the available hook events. This allows you to configure commands that run when a subagent completes its execution.

Available hook events now include:

  • PreToolUse - Before a tool is executed
  • PostToolUse - After a tool completes
  • Notification - For notification events
  • Stop - When the main process stops
  • SubagentStop - When a subagent completes (NEW)

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v1.0.41 →