SvelteKit 3 Reaches Release Candidate, Moving Config to Vite and Retiring the $lib Alias

The Svelte team has entered the release candidate phase for SvelteKit 3, which focuses on code refinement and prepares for future updates. Notable changes include moving configuration to vite.config.ts, replacing the $lib alias with #lib for improved compatibility. SvelteKit 3 requires Vite 8 and Svelte 5, enhancing error handling and build efficiency, while retaining some experimental features.