‼️Expo SDK 55 beta is out now🧪 (RN 0.83.1 + React 19.2) Highlights:...
Expo@expo
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Jan 23, 2026
~1 min read
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‼️Expo SDK 55 beta is out now🧪 (RN 0.83.1 + React 19.2)
Highlights:
♢ Legacy Architecture support is gone
♢ New default template (native tabs, /src/app)
♢ Hermes v1 opt-in
♢ Smaller OTA updates with Hermes bytecode diffing
♢ More native Router APIs + better brownfield support
♢...and more and more...
We'll link to the release notes with details about breaking changes below ↓ Please give the beta a try and report your issues 🙏
Highlights:
♢ Legacy Architecture support is gone
♢ New default template (native tabs, /src/app)
♢ Hermes v1 opt-in
♢ Smaller OTA updates with Hermes bytecode diffing
♢ More native Router APIs + better brownfield support
♢...and more and more...
We'll link to the release notes with details about breaking changes below ↓ Please give the beta a try and report your issues 🙏
2
🧪 The beta usually lasts about ~2 weeks and then we'll announce the stable release (and update these notes with more details).
We're looking forward to your feedback!
expo.dev/changelog/sdk-…
We're looking forward to your feedback!
expo.dev/changelog/sdk-…
3
📺 One more thing: we are hosting an SDK 55 Livestream in a couple of weeks to go through the highlights and to answer all your questions. Save your seat in here:
youtube.com/live/DBLBRteGD…
youtube.com/live/DBLBRteGD…