Development
All published blog posts in the "Development" category.

Development, React Native
Build an AI QA Agent for Expo Apps with EAS Workflows in minutes today
Build a lightweight mobile QA agent with EAS Workflows and agent-device. Automate UI verification for iOS and Android PRs without a giant test framework.
•9 minutes read
Michał Pierzchała
Guest Author
Michał Pierzchała
Guest Author

Product, React Native, Development
Expo UI in SDK 55: Jetpack Compose now available for React Native apps
Expo UI in SDK 55 brings Jetpack Compose to beta and aligns SwiftUI APIs with Apple's conventions, so your native framework knowledge transfers directly.
•6 minutes read
Kudo, Nishan, and Aleksander
Engineering
Kudo Chien
Engineering
Nishan Bende
Engineering
Aleksander Mikucki
Engineering

Product, Development, React Native
Introducing Expo Agent (beta): build native apps with Expo and AI
Describe the app you want. Expo Agent builds it. A real, shippable native app for iOS, Android, and the web. Join the waitlist to try the beta.
•4 minutes read
Expo Team
Product
Expo Team
Product

Product, Development, React Native
Home screen widgets and Live Activities in Expo
The new expo-widgets library lets you build home screen widgets and Live Activities using Expo UI components, with zero native setup.
•6 minutes read
Jakub Grzywacz
Engineering
Jakub Grzywacz
Engineering

Product, React Native, Development
Expo Router v55: more native navigation, more powerful web
Expo Router v55 upgrades navigation with a new Stack API, native tabs, dynamic colors, and toolbars plus experimental SSR and data loaders.
•9 minutes read
Jakub and Hassan
Engineering
Jakub Tkacz
Engineering
Hassan Khan
Engineering

Product, Development, React Native
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%.
•4 minutes read
Quin and Alan
Engineering
Quin Jung
Engineering
Alan Hughes
Engineering