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.
The text input editor now strips trailing \r from single-line inputs more precisely and handles multi-line paste with trailing carriage returns, which improves behavior when pasting from Windows clipboard sources.
Evidence
CR handling in input editor (structural change in function Uy1 at line ~452368)
Strings lifted out of the shipped bundle, so the claim above can be checked against them.