iiinova — where your digital self keeps evolving

Ricky @ricky.fm · 21/08/2026

Can’t remember the specifics, haven’t heard anything about this in almost a year

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Ricky @ricky.fm · 26/06/2026

Right but it would be better if it was instant which you can get with caching. And if you want to hold back you remove the glimmers.

Ricky @ricky.fm · 26/06/2026

Yeah but the alternative is waiting a microtask

So “stream with suspense” and “use a cache for content” for instant nav is exactly how async react is supposed to work, that’s why transitions commit with suspense fallbacks for new content instead of holding back.

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In my talk, you can see this in the login page example. The login button shows a spinner while you wait for the login to submit, but after login the app instantly shows the Home Screen shell with glimmers.

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action props help so that the default is click -> spinner/ optimistic state. So there’s default loading feedback for navigations which works the same whether you await a mutation or not. But that’s the floor. The ideal is instant for most things.

The premise isn’t flawed, without a design component library that provides action props with built in loading states (which is most apps), the experience is click -> nothing happens. That’s bad.

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dan @danabra.mov · 25/06/2026

It doesn’t have to be a Promise instance, just a thenable. How would you do it instead?

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Reposted by Ricky

... i have joined the @nextjs.org team at @vercel.com. for a start, i'll be working part-time, so please don’t flood me with bug reports yet. however, i’ll try to keep an eye on them as i want to understand what problems Next.js users are running into every day. i want App Router to get good!

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idk I don’t work for vercel

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Omg no I wasn’t subtweeting Dan haha

You’d think, but people do it. I think because this is what you’d do with the legacy throw promise way to suspend.

It's sooooo nice when people don't just post feedback but actually submit PRs. Max is great, be like Max.

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Ricky @ricky.fm · 24/06/2026

Merged with some formatting edits, thanks @maxwellcohen.bsky.social!

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I guess I was assuming people would read the first sentence first? I can adjust the second to also explicitly mention promise data

Ricky @ricky.fm · 24/06/2026

Thank you for all your reviews and feedback as well! I’ve been very active and helpful on the docs!

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Max @maxwellcohen.bsky.social · 24/06/2026

The awesome newly updated `use()` docs show more ways to make `use()` a truly useful API, for data loading on the client and the server. Thank you to @ricky.fm and @aurorascharff.no for writing, and @brenelz.com, @stephanjnoel.bsky.social , and @yadiel.dev for reviewing! react.dev/reference/re...

use – React

Ricky @ricky.fm · 09/06/2026

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all I did was post the update, everyone else did the real work!

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Max @maxwellcohen.bsky.social · 09/06/2026

🚨🚨🚨 React Compiler Rust Port is merged!!! Thank you to Mofei, Mike, @ricky.fm, @en-js.bsky.social, and @no.lol for their work on the port! github.com/react/react/...

screenshot showing react compiler port to rust is merged

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Ricky @ricky.fm · 21/05/2026

Ah yeah, in both threads I said you can but on twitter I explained why you shouldn’t

Ricky @ricky.fm · 21/05/2026

I’d use client hint headers and wrap the one you don’t need in Activity hidden so it’s excluded from SSR

Ricky @ricky.fm · 21/05/2026

No, I think I’m saying the same thing there. Even in this thread you’re asking for a feature (partial hydration) not explaining why selective hydration / Suspense / Activity doesn’t work.

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Joe Savona @en-js.bsky.social · 11/03/2026

We’re pretty close to having an initial Rust port of React Compiler. My approach was to iterate on the plan document (write it manually, have the agent expand, edit, repeat). Then try to run it, see what goes wrong, revert back to the plan, tweak the plan, repeat.

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Ricky @ricky.fm · 04/03/2026

IIRC we didn’t do that because we would like to change it to be an installer to select any of the well known frameworks instead

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Ricky @ricky.fm · 02/03/2026

Does this implement the performance tracks for server components and server requests yet?

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Max @maxwellcohen.bsky.social · 16/02/2026

useActionState is a new hook for forms, async reducers, and more. It now has great new documentation: react.dev/reference/re... Thank you to @ricky.fm for writing. Thank you to @aurorascharff.no, @danabra.mov, @samselikoff.com, @stephanjnoel.bsky.social, @brenelz.com, and @yadiel.dev for reviewing.

useActionState – React

Ricky @ricky.fm · 13/02/2026

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Oh I see what you mean. Yeah I don’t know how you would do that with this hook though.

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Ricky @ricky.fm · 13/02/2026

If you’re posting to a /toggle endpoint it’s still not safe. Not sure there’s general guidance here. That’s why for most cases I would either just let them queue (using optimistic to update the UI), or disable the button while in flight

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Ricky @ricky.fm · 11/02/2026

That already works, this is the trace I built the docs from trace.cafe/t/BseVMSJlNx

We did, check out: react.dev/reference/de... The thing I'm adding is being able to show what the DevTools Profiler will show you when you run it, embedded in the docs themselves.

React Performance tracks – React

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For tracking where updates came from, you can click the "update" in the tracks to see were the setState came from. Here's an example: react.dev/reference/de...

React Performance tracks – React

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We show the component tree in the Components track. We'd like to make it easy to click to go to the Components tab for React DevTools, but that requires the browser to add link support.

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Ricky @ricky.fm · 08/02/2026

Does this diagram help? It uses the React Performance Tracks to explain what React is doing, and what you'll see when you use the tracks: github.com/reactjs/reac...

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Adding more information to React error pages github.com/reactjs/reac...

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Ricky @ricky.fm · 06/02/2026

You can use Fragment refs for observers, but otherwise it's not clear why you can't use an effect for this?

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Reposted by Ricky

Max @maxwellcohen.bsky.social · 06/02/2026

useEffectEvent makes handling events in Effects much easier and saves unnecessary unmounting and remounting of listeners. It now has awesome new docs: react.dev/reference/re... Thank you to @ricky.fm the updates, and @danabra.mov and @stephanjnoel.bsky.social for reviewing

useEffectEvent – React

Ricky @ricky.fm · 02/02/2026

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adding event handlers is subscribing to an external system (the DOM) so it fits for events.