Fix Flaky Jest Tests in CI with maxWorkers (and why it works) When I was a kid, I spent a lot of time across the street at my grandparents’ house. I remember my grandfather picking apples from the tree…

Flaky Jest tests in CI, but everything passes locally?

That’s often not a “bad test” problem, it’s Jest workers eating all your memory.

@coolsoftware.dev shows how to fix it (and why it works)

👇
shift.infinite.red/fix-flaky-je...

😂 I support this

🖤❤️ RNR 356 ❤️🖤

Building Vercel’s v0 mobile app with Fernando Rojo!
​
@mazenchami.dev and @robinheinze.dev talk with Fernando about React Native, @expo.dev, native-level performance, sharing code with web, and more.

Link in thread 🧵

Back from two weeks in Finland ... surprisingly, no Finns commented on my world champion Seattle Seahawks hat. SAD

React Native Radio - RNR 354 - React Native Screens with Krzysztof Magiera Ever wonder about that library lurking in every React Native app's dependencies? Krzysztof Magiera digs into React Native Screens, the "most important library you'll never use directly," from its orig...

🖤❤️ RNR 354 🖤❤️

Krzysztof Magiera (@kzzzf.bsky.social) joins @mazenchami.dev and @robinheinze.dev to talk React Native Screens!

This discussion goes deep into how it started + where it's headed with a V5 rewrite built for the New Architecture.

Listen now! 👇
infinite.red/react-native...

React Native Radio - RNR 351 - Transforming Packages to Nitro with Marc Rousavy In this episode of React Native Radio, Robin and Mazen are joined by Marc Rousavy to break down transforming packages to Nitro and why it’s a big deal for high-performance native modules. They dig int...

🖤❤️ RNR 351 ❤️🖤

We’re back for the 2026 season of React Native Radio!

This week:
@mazenchami.dev and @robinheinze.dev are joined by the (in)famous @mrousavy.com to talk Transforming Packages to Nitro ⚡️

Listen now 👇
infinite.red/react-native...

The biggest developments in React Native, all in one podcast episode!

Always good to hear from @tdesseyn.bsky.social about the hiring landscape. Don’t miss it!

This new Apache model is looking good. (In my game, Into the Dawn -- jammin.games)

React Native Radio - RNR 349 - How 2025 Changed the React Native Job Market (with Taylor Desseyn) Mazen and Robin are joined by fan-favorite Taylor Desseyn to discuss how the React Native job market has shifted in 2025 and why community matters more than ever. They break down what skills companies...

🖤❤️ RNR 349 ❤️🖤

Fan-favorite Taylor Desseyn (@tdesseyn.bsky.social) returns to break down the 2025 React Native job market!!

@mazenchami.dev + @robinheinze.dev talk with Taylor about what skills matter and why community is more important than ever.

Don’t miss it 👇
infinite.red/react-native...

React Native Radio - RNR 348 - From Ionic Evangelist to React Native Content Creator: Simon Grimm Mazen and Jamon chat with Simon Grimm about his move from Ionic pioneer to React Native creator. Simon highlights key cross-platform trends, why React Native’s future looks exciting, and how he suppor...

RNR 348 - From Ionic Evangelist to React Native Content Creator: Simon Grimm

Thanks to...
🎙️ Hosts @mazenchami.dev, @jamon.dev
🎧 Editors @toddwerth.bsky.social, @coolsoftware.dev

Listen now 👇
infinite.red/react-native...

🖤❤️ RNR 348 ❤️🖤

From Ionic Evangelist to… React Native Content Creator??
This week we’re joined by special guest Simon Grimm from @galaxies.dev! 🪐

Tune in for a powerful episode packed with trends, insights on the future of React Native, and more!

Supercharge Your Apps with On-Device AI and React Native with Gant Laborde | React Native Mornings Ready to supercharge your apps?🔥 Mazen Chami welcomes Gant Laborde to React Native Mornings for a packed episode about on-device AI and React Native! ------- Follow Gant: X: https://x.com/gantlabo...

Ready to supercharge your apps? 📱🚀

@gantlaborde.com joins @mazenchami.dev on React Native Mornings to talk about on-device AI with React Native!

🗓️ Wednesday · 9am PT
📺 Live on YouTube

Set a notification👇
www.youtube.com/live/9ClulS-...

Reactotron-macos preview

We're rewriting the free and open source Reactotron in react-native-macos! Possibly a good fit. It's been a fun journey.

Beto and Mazen are live talking about using SwiftUI in Expo! Join us ... this is super cool

www.youtube.com/watch?v=7Hdw...

React Native Radio - RNR 346 - Shopify's Transition to the (new) Architecture In this episode, Mazen Chami sits down with Mustafa Ali (Director of Engineering and Head of Mobile at Shopify) and Thiago Magalhães (Staff Software Developer at Shopify) to dive deep into Shopify’s t...

🖤❤️ RNR 346 ❤️🖤

How was Shopify's transition to the New Architecture?

This week: Mustafa Ali and Thiago Magalhães from Shopify do a deep dive into the company's transition to the new architecture with @mazenchami.dev!

Don't miss it! 🎧
infinite.red/react-native...

Takeaways from React Conf 2025:

• The React ecosystem is still flourishing
• React Native is a huge focus of the React team
• The Foundation should help long term stability
• Performance is one of the top priorities
• A cold

A graphic in landscape orientation with a brown textured background. In the foreground, a white mobile phone is connected to a stylized, abstract rendering of the Apple logo made from blue and black lines. The mobile phone screen displays a squiggly black line. To the left of the Apple logo, there are several white, geometric shapes.

🚀 iOS Simulator MCP v1.5.0 is here!

Now your agent has more iOS powers.

🛠️ New Tools:
open_simulator → Launch the Simulator app
install_app → Install .app / .ipa bundles
launch_app → Start apps by bundle ID

Release notes and demos in 🧵

‎Retrotype ‎Rediscover the joy of writing without distractions. Retrotype transforms your iPhone or iPad into a beautiful, tactile typewriter - complete with the sounds, rhythm, and charm of the classics. - Wri...

🚀 Retrotype 1.0 is live!

A free iOS app that brings typewriter vibes to all your devices.
It feels great on iPhone, and really shines on iPad + keyboard.

Would love for you to give it a try and let me know what you think!

apps.apple.com/us/app/retro...

#buildinpublic #indiedev

I’d love to have you on my podcast though, regardless.

Low key one of my favourite React Native Skia Animations I've ever made

Did you know your MacBook has a sensor that knows the exact angle of the screen hinge?

It’s not exposed as a public API, but I figured out a way to read it and make it sound like an old wooden door.

React Native Radio - RNR 342 - Ignite 11: Bison 🦬 with Mark Rickert Infinite Red's own Mark Rickert joins to unveil the Ignite 11

🖤❤️ RNR 342 ❤️🖤

Ignite 11: Bison 🦬 dropped a few weeks ago, so we're bringing on fan favorite Mark Rickert to talk all about it!

Hear about all of Ignite's new features, patched bugs, and even the backstory of why we named it BISON!

Listen now:
infinite.red/react-native...

New wallpaper from my game test flight last night

(Game is Into the Dawn)

3 lessons here

1. remember to profile your stuff
2. profiling isn’t everything, think deeply about what’s *actually* going on
3. if your fix is suspicious (telltale signs: useEffect, setTimeout, eslint-ignore) it probably is not the optimal solution, and you should keep digging

React Native Radio - RNR 341 - Catching Up With Maestro Featuring Leland Takamine Maestro CEO Leland Takamine joins the pod to share updates on Maestro Studio Desktop, cloud testing, and scaling reliable automation.

🖤❤️ RNR 341 ❤️🖤

This week: We're keeping the Maestro theme rolling!

Maestro CEO Leland Takamine joins our hosts to share what's new: Studio Desktop, cloud testing, automation, and more.

Listen now 🎧
infinite.red/react-native...

Really looking forward to hosting my first live with a great team. If you're a React Native dev that is interested in testing, this will be one you don't want to miss!

haha I love this gif

React Native Radio - RNR 338 - React Native Enterprise Framework w/ Michał Pierzchała Michał Pierzchała from Callstack joins Jamon and Robin to talk about the React Native Enterprise Framework and why big teams need it

🖤❤️ RNR 338 ❤️🖤

This week: Michał Pierzchała (@thymikee.bsky.social) joins @jamon.dev and @robinheinze.dev to discuss @callstack.com's new React Native CLI and framework, the React Native Enterprise Framework.

Listen now 👇
infinite.red/react-native...

You asked (a lot). And the answer is yes…

Chain React is BACK 🎉
July 30-31, 2026 · Portland, OR

Presented by Infinite Red and @expo.dev

Be the first to know when tickets drop 👇
chainreactconf.com