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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 v2.1.228

Model selection forwarded on restart-in-place

Under the hood
Useful3 Signal1
Models

Your selected model is passed along whenever Claude Code re-executes itself.

--model
What

The argument list Claude Code builds when it re-executes itself now carries the session's selected model, sent as default when nothing is selected.

Details
  • Same path as the update relaunch ("Switching from ... to latest… conversation will continue") and /tui renderer switching.
  • Skipped entirely on mantle environments and when the selection matches the configured fallback model.
Evidence

...(s !== void 0 ? ["--model", s] : []),

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 v2.1.228 →