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.
When changing models, Claude Code now shows "Restarting Claude Code to apply the new model…" and automatically relaunches, rather than requiring a manual restart.
Evidence
Restart message (search for "Restarting Claude Code to apply the new model")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
