Dominic Gannaway

@dummdidumm I feel like the new warnings largely address this issue now.

> There needs to be more docs on this, the warning itself is somewhat vague without any additional explanation IMO. It could come as part of the general "more details...

@dm-de It's not a problem if you reference things in state from the beginning. If you don't then you'll need to use `$state.is`. This is just how JavaScript proxies work,...

Does that work for workers too?

I switched to using Object.assign

@Rich-Harris I'll try and find out from the user who reported it.

This looks to be working as expected for runes mode. Svelte 4 doesn't have runes mode, so you're not comparing apples to apples. I wonder if you remove the usage...

Is there a format library that handles this already? I'm happy to work on this but would rather not reinvent the wheel.

I think the first thing to do here is to isolate SSR + hydration from just purely client side rendering, i.e. disabling SSR entirely. Also Lighthouse doesn't really do any...

Ah thanks for that. I checked out your github repo and see these results from the perf trace on DEV: Svelte 4:  Svelte 5:...