Svelte 5: Compiler, Signals, and Web App Performance - JSJ 627

Rich Harris joins this week's episode. They dive deep into the world of web application performance, signals, and the capabilities of Svelte 5. Join them as they explore the innovative features of Svelte 5, its compiler capabilities, and its potential impact on application building. From discussing the fastest mainstream framework to drawing parallels with traditional compiler optimization modes, they leave no stone unturned in dissecting the advancements in Svelte 5. Stay tuned as they also explore topics like React server components, the controversy around embedding SQL in React components, and much more.
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[@kenedyolisi3551]

I have fallen in love with svelte 5 already. Can't wait for it to come out.

[@Jake-bh1hm]

The framework that got me out of my retirement

[@Anonymous42282]

Rethinking Reactivity presentation made me fall in love with Svelte. Someone rightly mentioned Rich in another video as - Frontend Jesus 😁

[@W4nn3]

Same. And still as in love as on the first day :)

[@encapsulatio]

Carniato is probably Jesus if you truly think about it in terms of impact of him designing signals and making a framework that is cutting edge, Rich doesn't make it higher than just an apostle, his framework is just leading edge, not cutting edge. Plus there is a proposal for making signals part of Javascript itself, what feature did Rich create that has so much traction that people want it part of Javascript and there is a proposal for it?

[@Anonymous42282]

​@@encapsulatio Wow! He can take the title. I don't understand why this "visionary" used JSX for solid. I love how Rich kept Svelte close to HTML, CSS and JS we are used to use the normal way.

[@iulikdev]

it's always a pleasure to listen rich.. thx

[@mbokil]

I like Svelte 5 a lot. It is as if Svelte 4 was crossed with Vue 3's proxies but resulting in cleaner DX and excellent bundle size and performance. I am certain it will be a hit once the final release comes out.

[@registro_pedagogico]

El mejor Framewok de JavaScript es Svelte. Fuerza equipo de desarrollo de Svelte 5. Esperando por el lanzamiento de la versión estable

[@BhideSvelte]

Everyone knows him ...as guy behind Svelte 🎉🎉😍😍😍

[@gabrielmlocik5049]

The problem with Svelte 5 in rune mode is that it's still bugged, including `export` statements (that are valid syntax, so definitely should work at least for programmatic imports, if not for props, today `export let` throws error, but `export const` or `export var` fails silently). I really hope `export` would be allowed and work with: ```svelte export let x = 7; ``` In other compoent: ```js import Component from './Component'; const comp_instance = new Component; comp_instance.imports.x; // 7 ``` And make it possible to use: ```js comp_instance.imports.x = 4; // we are mutating object, so it would just update the Component itself ``` That could change the exported variable. This would help for Component libraries and few other needs.

[@JLarky]

Rethinking reactivity again 😂

[@ronniet906]

Good interview with Rich. Well done Charles for putting the interview together with your co-hosts. TiP; Charles, I know its not your intention, but you need to focus on looking at or near the camera. You the host looking to you left screen throughout most of the interview, makes you look detached, board and more interested in doing other work, giving little or no attention to what is being said. It's actually quite rude. Yes you were probably reading the chat line, etc, but it does not come across that way. Best put the caht in your primary view under the camera. And bring forward your humour...your a fun guy...smile a bit more often. Success with all you do, R.