You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
ModelsArea: what it touches
ImprovementsKind: in v2.1.319,
ImprovementsSection of the release
What
When you give Claude Code a model name it does not recognise, the warning it shows now ends with a hint in the form: did you mean "..."?, naming a model it thinks you meant.
Why
A typo in a model name is easier to spot and fix when the warning points at the likely intended name.