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Thanks, I'll send it to my SWM teammates for review, they do the next issue

Don't forget to add an RSS feed 😀

React Native section provided by yours truly!

Seven Years to TypeScript: Migrating 11,000 Files at Patreon | Engineering at Patreon Get more from Engineering at Patreon on Patreon

Yeah, similar to this JS->TS migration:
www.patreon.com/posts/seven-...

Same, I've also seen a project with AI-driven codemods instead of some deterministic CLI

Sapin un jour, sapin toujours ;)

Ils sont la depuis 3 ans lol

This Week In React 271

⚛️ React:
- Vinext
- RSC
- Activity
- Fiber
- Next.js
- TanStack
- Compiler

📱 RN:
- Expo 55
- Router
- State of React Native
- Enriched
- Maestro
- Sparkling
- Metro
- Grab
- Brownfield

🍿 Read/subscribe: thisweekinreact.com/newsletter/271

🪶 @jwr.ski & I

This Week In React 271

⚛️ React:
- Vinext
- RSC
- Activity
- Fiber
- Next.js
- TanStack
- Compiler

📱 RN:
- Expo 55
- Router
- State of React Native
- Enriched
- Maestro
- Sparkling
- Metro
- Grab
- Brownfield

🍿 Read/subscribe: thisweekinreact.com/newsletter/271

🪶 @jwr.ski & I

📜 Error rendering with RSC - @ryantoron.to

A great deep-dive article that explains how RSC errors propagate from the RSC / SSR env to the client-side, and then get caught in error boundaries

twofoldframework.com/blog/error-r...

nice, thanks for letting me know

Ship smaller OTA updates: bundle diffing comes to EAS Update in SDK 55 SDK 55 introduces bundle diffing in EAS Update. Devices now download patches instead of full bundles, reducing download sizes by up to 75%.

Less is more: Bundle diffing comes to EAS Update.

Instead of downloading the full bundle on every update, devices now receive a binary patch of only what changed.

Result: ~75% smaller downloads.

♦ A 3MB update drops to ~0.75MB
♦ Opt-in beta, safe fallback to full bundles

expo.dev/blog/ship-sm...

This Week In React 270

⚛️
- React Foundation
- vinext
- Next.js versioned AI docs
- Async React
- React Router
📱
- Hermes-node
- CSS Grid
- Navigation
- Keyboard
- AsyncStorage

🍿 Read: thisweekinreact.com/newsletter/270

Thanks 🤝 @kacperkapusciak.bsky.social @piaskowyk.bsky.social @swmansion.com

Firefox 148 release notes for developers (Stable) - Mozilla | MDN This article provides information about the changes in Firefox 148 that affect developers. Firefox 148 was released on February 24, 2026.

Firefox 148 is out now, and adds some great web platform features:

🎉 The HTML Sanitizer API
🎉 CSS shape()
🎉 Trusted Types
🎉 Nav API's addHandler
🎉 Iterator zip & zipKeyed
🎉 ancestorOrigins

And more!

developer.mozilla.org/en-US/docs/M...

This Week In React 270

⚛️
- React Foundation
- vinext
- Next.js versioned AI docs
- Async React
- React Router
📱
- Hermes-node
- CSS Grid
- Navigation
- Keyboard
- AsyncStorage

🍿 Read: thisweekinreact.com/newsletter/270

Thanks 🤝 @kacperkapusciak.bsky.social @piaskowyk.bsky.social @swmansion.com

This Week In React 269
⚛️ React
- State of React
- TanStack Start / Hotkeys
- Next.js
- Base UI
- React Doctor
- Tailwind
📱 Mobile
- Hermes
- Sparkling / Lynx
- Enriched
- Yoga
- Voltra
- AI

🍿 Read/subscribe: thisweekinreact.com/newsletter/269

This post sucks, but please support us 🤪

This Week In React 269
⚛️ React
- State of React
- TanStack Start / Hotkeys
- Next.js
- Base UI
- React Doctor
- Tailwind
📱 Mobile
- Hermes
- Sparkling / Lynx
- Enriched
- Yoga
- Voltra
- AI

🍿 Read/subscribe: thisweekinreact.com/newsletter/269

This post sucks, but please support us 🤪

Also in the latest CSS selector spec that just dropped

:interest-source :interest-target

Not super familiar with W3C process but if this gets approved, does Apple really have the choice?

www.w3.org/TR/2026/WD-s...

High-Severity RCE Vulnerability Disclosed in next-mdx-remote... HashiCorp disclosed a high-severity RCE in next-mdx-remote affecting versions 4.3.0 to 5.x when compiling untrusted MDX on the server.

I see 😆

socket.dev/blog/high-se...

👀 Chrome 145 DevTools has Soft Navigation markers

Nice DX improvement for building SPAs

Yes that should work

I've seen a few companies sharing a theme, and thought they were doing exactly this, but turns out they just copy a custom CSS file around 🤪

"@docusaurus/theme-classic/lib/theme/XYZ"

Not beautiful, but it should work.

Now if you want to "extend" instead of "override", we don't have an official way to do that, and don't really consider all of our theme comps to be public API (although they are quite stable)

Technically, it should work if you simply import originals from "@docusaurus/theme-classic/src/theme/XYZ".

I haven't tried this, but theoretically you should be able to create a theme with the exact same file paths as the original theme (like if you swizzled them), and those components would override the ones from the preset theme.

"@theme/XYZ" aliases are applied in this order. Last ones win.

Will probably implement a poc on our own website soon to see how viable this approach is, and then share feedback on GitHub

From a technical perspective, I think we already offer everything to experiment in userland

postBuild receives a list of routes/paths, and for each route, we also assign some extra metadata, including the source MDX file path

Yes, that's what I had in mind

The main problem is probably what to do with one mdx doc importing another: do we need to inline the info, or maybe linking to it is enough?

Same, wasn't sure the state would be preserved on input type change

input is probably one of the few intrinsic DOM elements that is kind of "polymorphic". Do you think of any other we could test the behavior on?

Another option to explore would be to offer an api for users to substitute jsx tags and directives by commonmark content. More work for the end user, but still good control on the output.

I've seen that you decided to parse the HTML, that's likely the most accurate solution, but also a bit more expensive.

I wonder how useful it would be for llms to receive MDX content directly, including JSX tags and directives. For example if there are tabs, maybe the LLM understand <Tabs> better

Thanks!

The more we see community plugins, the easier it would be to design a flexible first-class support

Implementing a plugin shouldn't be that hard but I'm not sure my opinions on how it should be built are shared by everyone

⚛️❓Fun React Quizz ❓⚛️

Do you think the input state will reset when we toggle the boolean?