codingbrah 🤙

React Native x @callstackio

[Michał Pierzchała @thymikee]

A day before Claude Opus 4.7 launch we have a benchmark on how it performs in React Native apps.

Unfortunately it’s worse than 4.6 and cost 30% more. Hoped for something better

[Szymon Rybczak @SzymonRybczak]

We just released new TesterArmy CLI

𝚋𝚞𝚗𝚡 𝚝𝚎𝚜𝚝𝚎𝚛𝚊𝚛𝚖𝚢 𝚛𝚞𝚗 "𝚝𝚎𝚜𝚝 𝚜𝚒𝚐𝚗 𝚞𝚙 𝚘𝚗 𝚛𝚊𝚢𝚌𝚊𝚜𝚝.𝚌𝚘𝚖"

→ Launches browser automatically
→ Integrates with @agentmail for OTP codes
→ Works perfectly with Claude, Codex ⚡

[Oskar @o_kwasniewski]

Introducing TesterArmy CLI ✨

→ Batteries included testing tool
→ Built for coding agents
→ Improves agent feedback loop
→ Ships with a skill for Claude, Codex and more

Here is a quick demo ⬇️

[Oskar @o_kwasniewski]

I just released NoteScan - a dead simple app for people who think on paper ✍️

Point camera → AI reads handwriting → Copy text. That's it.

Built with @expo and Gemini 3 Flash.

Here is a demo 👇🏻

[React @reactjs]

Researchers have found two new vulnerabilities in React Server Components while attempting to exploit the patches last week.

These are new issues, separate from the critical CVE last week. The patch for React2Shell remains effective for the Remote Code Execution exploit.

[codingbrah 🤙 @codingbrah]

@chesscom chess

[codingbrah 🤙 @codingbrah]

@RinoTheBouncer

[codingbrah 🤙 @codingbrah]

@modernhistory

[codingbrah 🤙 @codingbrah]

@HeisRavers @grok .

[Szymon Chmal @ChmalSzymon]

🎉 Introducing React Native Harness - a lightweight framework for testing native modules directly on device or emulator.

Write tests in a Jest-like syntax, run them in a real React Native runtime, and verify native behavior without mocks.

[Michał Pierzchała @thymikee]

ArrayBuffer support is coming to TurboModules!

This is a deal-breaker for streaming apps.

RFC lead by @_ikswodarap

[Michał Pierzchała @thymikee]

Looks like this is unlocking Expo Updates in many brownfield apps that use @expo soon, exciting!

[Szymon Rybczak @SzymonRybczak]

🚀React Native Team just announced:

-> Performance and Network tab in DevTools,
-> Hermes V1, 60% faster than current version,
-> DOM APIs is coming soon,
-> Replit, Mistral, v0 mobile are using React Native!!

HUGE day for React Native 😍

[Michał Pierzchała @thymikee]

The legacy React Native architecture is finally removed in 0.82, and removing it makes apps smaller and build faster

[Michał Pierzchała @thymikee]

Android emulator doesn't have to be slow.
Thinking about turning this on by default for @rockjs_dev . Sure, you can't debug the C++ parts, but you'd typically do it from Android Studio anyway, which will default to debug variant

[Michał Pierzchała @thymikee]

React Foundation just announced on stage.

Proud for @callstackio to be one of the founding partners, it’s been long in the making 🙌

[Michał Pierzchała @thymikee]

We're looking for a few strong engineers at @callstackio, ideally in EU area. If you're one of them, DM me 📩

[Oskar @o_kwasniewski]

Here are two Liquid Glass effects: one made with React Native and the other with SwiftUI.

Can you tell which is which? 👀

[Szymon Rybczak @SzymonRybczak]

🔥@jpudysz just announced Uniwind!

Tailwind in React Native with zero runtime overhead powered by Nitro Modules! 😍

[codingbrah 🤙 @codingbrah]

#10YearsOfRN
@reactuniverse_