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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 v2.1.100

Extended Thinking Status Messages

What

During long thinking periods, Claude Code now displays timed reassurance messages so you know it's still working.

Details
  • After 30 seconds of thinking: "Thinking a bit longer… still working on it…"
  • After 90 seconds: "This is a harder one… it might take a few more minutes…"
  • After 270 seconds (~4.5 minutes): "Hang tight… really working through this one…"
  • Messages appear as dimmed text below the spinner and disappear when thinking ends
  • Only displays when the model is in the "thinking" state (extended thinking / chain-of-thought)
Evidence

Thinking status message array with afterMs timings (search for "Thinking a bit longer")

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 v2.1.100 →