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.
Terminal hyperlink support detection is improved with broader terminal emulator recognition, including checks for TERM_PROGRAM, LC_TERMINAL, and Kitty terminal detection.
Evidence
Hyperlink detection (search for "supportsHyperlink")
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.