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.
"Exit the REPL" has been renamed to "Exit the CLI" throughout the interface, reflecting the product's evolution from a simple read-eval-print loop to a full CLI application.
Evidence
Terminology change (search for "Exit the CLI")
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.