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 terminal detection system now recognizes Tabby alongside the previously supported set. The ARM64 architecture detection has also been improved for Linux platform identification.
Evidence
Terminal emulator detection (search for "Tabby")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.