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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 v2.1.229

Command-sourced plugins are not rebuilt behind your back

You'll notice
Useful3 Signal3
Plugins

Plugins that build via a command won't silently run it; you get an error telling you to update.

claude plugin update
What

When a plugin installed from a command has no cached copy, Claude Code will not run its command if the plugin is disabled or if background command execution is turned off. Instead it shows a load error telling you to run claude plugin update in a terminal.

Details
  • The refusal is reported as command_source_inactive rather than a generic operation failure.
Usage
claude plugin update
Evidence

command_source_inactive

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 v2.1.229 →