The database schema has been every so slightly tweaked. The basic concepts and relations between models hasn't changed but check the docs for the latest version
The SvelteKit integration has been deprecated. Wait! SvelteKit support is now built into the main library. Check the getting started page for SvelteKit in the docs on how to set up the handle hook!
API name changes. There hasn't been any drastic name changes so you should be able to infer it from the autocomplete.