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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.

All of v2.1.108 Home All releases olderv2.1.107 v2.1.109newer
Claude Code v2.1.108

Model Switch Confirmation Dialog

What

A new confirmation dialog warns you when switching models mid-conversation that the cache will be invalidated.

Details
  • Dialog title: "Switch model?"
  • Message: "This conversation is cached for the current model. Switching to [model] means the full history gets re-read on your next message."
  • Subtitle: "Your next response will be slower and use more tokens"
  • Options: "Yes, switch to [model]" or "No, go back"
  • Only shown when the conversation has cached content for the current model
Evidence

Model switch confirmation (search for "Switch model?" and "This conversation is cached")

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

See this entry in the whole of v2.1.108 →