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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 v2.1.79

Mobile App Summary Labels

What

After tool use, the model is now prompted to generate a short summary label (git-commit-subject style, ~30 characters) suitable for display as a single-line row in a mobile app.

Details
  • Replaces the previous generic "Provide a brief summary of what was accomplished" prompt
  • New labels are past-tense, concise, and drop articles/connectors (e.g., "Searched in auth/", "Fixed NPE in UserService", "Created signup endpoint")
Evidence

Mobile-optimized summary labels (search for "Write a short summary label")

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 v2.1.79 →