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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 v2.1.221

In non-interactive runs, built-in help and feedback no longer reserve those command names

Use it now
Useful3 Signal0
Slash Commands Notable

You can name a plugin or custom command help or feedback and it will work in claude -p runs.

claude -p/help/feedback
What

A plugin or custom command named help or feedback is no longer shadowed by the built-ins during claude -p style runs.

Details
  • Command alias de-duplication skips reserving help and feedback for commands that cannot run non-interactively, when the session is non-interactive.
  • Interactive sessions are unchanged; the built-ins still take those names there.
Evidence

Qua = new Set(["help", "feedback"])

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

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 v2.1.221 →