Expo SDK 55 beta is out now 🧪 (RN 0.83.1 + React 19.2)
♢ Legacy Architecture removed
♢ New default template (Native Tabs + /src/app)
♢ Hermes v1 opt-in
♢ Hermes bytecode diffing for smaller OTA updates
♢ More native Router features + better “Expo in native apps” support
[expo.dev/changelog/sd...](https://expo.dev/changelog/sdk-55-beta )
[Expo SDK 55 Beta is now availa...](https://expo.dev/changelog/sdk-55-beta )
Expo
npub1jj…6f30w
2026-01-22 23:12:55 UTC
Author Public Key
npub1jjmax4gwpr9jfzw7er5nqfe4jsercavx8hzqsn6u4rnsc0la6nhs06f30wSeen on
wss://relay.momostr.pinkPublished at
2026-01-22 23:12:55 UTCEvent JSON
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"content": "Expo SDK 55 beta is out now 🧪 (RN 0.83.1 + React 19.2)\n\n♢ Legacy Architecture removed\n♢ New default template (Native Tabs + /src/app)\n♢ Hermes v1 opt-in\n♢ Hermes bytecode diffing for smaller OTA updates\n♢ More native Router features + better “Expo in native apps” support\n\n[expo.dev/changelog/sd...](https://expo.dev/changelog/sdk-55-beta )\n\n[Expo SDK 55 Beta is now availa...](https://expo.dev/changelog/sdk-55-beta )",
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