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SvelteKit 3 adds type-safety improvements and a migration command

svelte.dev Editor score 7/10

SvelteKit 3 moves configuration to Vite, changes the library alias, and offers a migration command that generates a TODO list for remaining work. The release is relevant to frontend teams planning framework upgrades.

What

SvelteKit 3 is a new major version of the official application framework for Svelte.

How

The `sv migrate` command automates codebase changes and generates a TODO list for remaining migration work.

Why it matters

Automated migrations and clearer type safety can help engineers upgrade with less manual effort while tracking unfinished changes.

Read on svelte.dev → Hacker News · 76 comments

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