Dev Tools · 12h ago
SvelteKit 2 Guide: Smaller Bundles, Explicit Reactivity
SvelteKit 2 with Svelte 5's rune system delivers 35% smaller bundles than Svelte 4. The new reactivity model uses explicit compiler directives like $state and $derived. A comprehensive guide covers setup, routing, server functions, and production auth.
Meridian48 take
The guide is thorough, but the real test is whether the rune system's explicitness outweighs the simplicity of Svelte 4's implicit reactivity for most developers.
sveltekitweb-frameworks