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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 v2.1.48

ConfigChange Hook Event

What

A new hook event that fires when configuration files change during a session, allowing validation and blocking of config changes.

Details
  • Fires when skills, settings, or CLAUDE.md files are modified
  • Can block changes by returning exit code 2
  • Input includes source (user_settings, project_settings, etc.) and file_path
  • Useful for enforcing configuration policies
Evidence

New ConfigChange hook event (search for "ConfigChange")

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

See this entry in the whole of v2.1.48 →