New Release: Expo SDK 53 Beta Now Available for Developers
๐ Performance & Architecture
1. New Architecture is Now Default
-
All new projects (
npx create-expo-app
) will now use the New Architecture by default. -
This includes Hermes, Fabric, and TurboModules for both iOS and Android.
-
You can still disable the new architecture by setting
EXPO_ENABLE_NEW_ARCHITECTURE=false
.
2. Startup Time Improvements
-
Thanks to the New Architecture and general optimizations, startup performance has improved.
-
Support for React Native 0.73, bringing improved performance, bug fixes, and updated UI features.
๐งฉ Module & Feature Updates
3. expo-router 3.7 (Edge-to-Edge UI)
-
Automatically enables full-screen edge-to-edge layouts by default (like immersive UIs).
-
Offers better integration with system gestures, navigation bars, and safe areas.
-
No need to manually manage
react-native-safe-area-context
as much anymore.
4. expo-maps (Replaces react-native-maps
)
-
First-class support in SDK 51.
-
Uses Google Maps on Android and MapKit on iOS.
-
Improved performance and compatibility with New Architecture.
5. expo-av and expo-audio
-
Both packages are now better optimized and are New Architecture compatible.
-
You can build performant audio and video apps with full support across platforms.
๐ง Other Developer Experience Updates
6. Background Tasks
-
expo-task-manager
and related APIs likeexpo-location
background features now fully support New Architecture. -
More reliable execution in background modes, especially with new iOS/Android system restrictions.
7. Expo CLI Improvements
-
Faster startup, more stable error handling, and better logging.
-
New commands to toggle between architectures and development builds easily.
๐ What’s Coming Next
-
Improvements for Web and Server Components integration.
-
Further migration of older modules to Fabric-compatible versions.
-
Better EAS integration with monorepos and TurboModules.
Simplified cheat sheet or summary table for quick reference, or are you planning to upgrade an existing app to SDK 51 and want tips for a smooth migration?
Category | Feature / Update | Summary |
---|---|---|
๐งฑ Architecture | New Architecture = Default | Includes Hermes + Fabric + TurboModules. Can disable via EXPO_ENABLE_NEW_ARCHITECTURE=false . |
⚡ Performance | Faster App Startup | Thanks to optimized RN 0.73 & new architecture setup. |
๐ Routing/UI | expo-router 3.7 | Edge-to-edge layout by default, better safe area handling, immersive UI ready. |
๐บ️ Maps | expo-maps | Fully supported. Replaces react-native-maps . Works great with New Arch. |
๐ Audio/Video | expo-av & expo-audio | Fully optimized & compatible with New Arch. Use for smooth playback. |
๐ก Background Tasks | expo-task-manager | Background location, downloads, etc., now more stable and New Arch-ready. |
๐ ️ Dev Tools | Improved Expo CLI | Faster, more informative errors, better toggling between arch/dev builds. |
๐ฆ Packages | React Native 0.73 | Core RN upgrade = performance, bug fixes, better gestures, etc. |
๐ Recommended Actions for You
-
✅ Start new projects with
npx create-expo-app
to get the full power of the New Architecture. -
๐ Upgrade old apps: Use
npx expo install
for automatic version bump & enable New Architecture ineas.json
or.env
. -
๐งช Try
expo-maps
,expo-av
, andexpo-router
with real use cases. -
๐ฑ If using custom native modules, verify Fabric + TurboModules compatibility.
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