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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 v2.1.232

Repeated refusal fallbacks no longer forget the model you started on

You'll notice
Useful4 Signal3
Model Fallback

After a second refusal fallback, you still return to the model you originally started on.

What

If a model refusal already moved you to a fallback model, a second refusal now updates only the fallback target instead of replacing the whole record. The originally recorded model survives, so coming back off the fallback returns you to the model you actually started with.

Evidence

replaceRefusalFallbackModelLatch

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 v2.1.232 →