Hey notJust Developers,

The biggest news from last week is that the Expo team upgraded EAS with M4 Pro-powered workers to build iOS apps faster. Let’s take a look at today’s highlights!”

1. EAS Now Builds iOS Apps 45-50% Faster 🔥
2. React Native Screens 4.10.0 is out! 🚀
3. React Native Audio API 0.5 released! 💯

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EAS Now Builds iOS Apps 45-50% Faster 🔥

​Expo’s EAS now uses M4 Pro-powered workers for iOS builds and other macOS CI/CD tasks. These new workers have extra CPU cores, more memory, and a modern chip design. This makes build times over 1.85 times faster on average. If you use EAS to deploy your app, the M4 Pro workers build your app by default.

M4 Pro-based workers are automatically turned on

You don’t need to set anything up to use them. If you use the EAS paid plan, you'll have priority access to these faster workers, making your jobs more likely to run quickly. Developers on the Free plan might also get M4 Pro workers, but they won’t have the same priority access.

Pricing remains the same

The upgraded M4 Pro-based workers come at no extra cost. This means you get significantly faster build times without any extra cost.

Note: EAS Hosting, is designed specifically for instantly deploying & managing your universal Expo Router websites (websites built by using Expo).

React Native Screens 4.10.0 is out. 🚀

The Software Mansion team just released React Native Screens 4.10.0, and it’s packed with improvements that make building apps even smoother. Now, you can add custom headers above the ScrollView in formSheets, giving you more flexibility to design your app’s layout. They’ve raised the minimum supported iOS version to 15.1, so you can leverage the latest features and performance enhancements on newer devices. Plus, gesture handling in native headers and formSheets has been refined, making user interactions more responsive. The update also fixes header insets when the device orientation changes, ensuring your layout stays consistent, and there are numerous Android fixes to boost stability and performance. Overall, this release aims to enhance your development experience and deliver a more polished end-user interface.

Note: In React Native Screens 4.10.0, the minimum supported iOS version is now 15.1, aligning with React Native versions 0.76 (old architecture) and 0.77 (new architecture). This change shouldn't affect your app unless you're using an older React Native version with custom patches.

React Native Audio API 0.5 released! 💯

Recently Software Mansion has released React Native Audio API 0.5, featuring numerous stability fixes and improvements. Let's explore what's new in this version:

Support for Pitch Correction on Mobile and Web

This feature allows developers to adjust the pitch of audio playback across both mobile platforms and web applications, enhancing audio customization capabilities.

In-Memory Audio Decoding

The addition of in-memory audio decoding streamlines audio processing by enabling faster access and manipulation of audio data without the need for temporary storage.

Stability Fixes and Improvements

A significant number of stability enhancements have been implemented to ensure a more reliable and seamless audio experience for users.

Support for React Native 0.78

Compatibility with React Native version 0.78 has been added, allowing developers to integrate the latest features and improvements from the React Native framework into their audio application

That’s it 🙌

March 26, 2025 was the 10th anniversary of React Native being open source! In these 10 years, it has helped many developers and grown with new features. What do you think “Has React Native met your expectations after 10 years of open source?”

🔴 Join me live

This Friday, we will build Your First Full-Stack App in React Native & ExpressJS. It's going to be a tutorial packed with value, so set a reminder and don't miss it out 👇

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🔁 In case you missed it

FULL Authentication System in React Native with Clerk and Expo Router You’ll learn how to handle sign in, sign up, social login, passwordless auth, and session management—all in one place. If you’re tired of copy-pasting boilerplate auth code and want to truly understand how authentication works in React Native, this is for you. Watch now

Build a Full Stack RAG System with React, Langchain & Node.js You’ll learn how to build a full-stack RAG system that lets you ask questions about YouTube content and get accurate, AI-generated answers. You’ll learn how to scrape video transcripts using BrightData, process them with Langchain, and connect to powerful LLMs like OpenAI and Anthropic—all deployed with Genezio. Read article

🔥 Press worthy

1️⃣ Add analytics to your React Native app in under 1 minute with Vexo. Use the promo code “NotJustDev10” for a 10% discount

2️⃣ Try Genezio, a powerful serverless platform for scalable full-stack apps with easy deployment, low costs, and great framework compatibility

3️⃣ March 26, 2025, was the 10 year anniversary of React Native being open-sourced!

4️⃣ Turso has launched the Offline Sync Public Beta! Your apps will keep working smoothly, even without the internet..

5️⃣ Callstack's "React Native Optimization" has been completely rewritten from scratch

6️⃣ React Native Reanimated 4.0.0-beta.3 has been released, introducing several significant updates, including the removal of code specific to the Old Architecture.

7️⃣ React Native Bottom Tabs 0.9.0 has been released, eliminating the ignoresTopSafeArea prop; safe area handling is now automatic.
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The newsletter was written by Anis and edited by Vadim Savin.

Vadim Savin Helping you become a better developer together with the notJust.dev team

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