Keyline Icons v1.4.1: Every icon under the name shadcn/ui imports

Every icon now also imports under its name plus Icon, so CheckIcon works beside Check, in React and React Native. That is the name shadcn/ui's own components import, so a project made in shadcn/create switches to Keyline with one find-and-replace on the import path. Its spinner is the one exception: Loader2Icon is LoaderCircleIcon here.