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Posts by Expo

Use Expo, Ship faster: How Infinite Red ships 230% faster with Expo Speed up your React Native CI/CD with EAS Workflows, Maestro, and Expo Updates—run E2E tests on every PR without waiting on native builds.

For a big client Infinite Red cut their CI from 20 minutes to 6 by combining EAS Workflows, Expo Fingerprint, and EAS Update.

That's 230% faster, and it makes running Maestro e2e tests on every PR practical.
https://expo.dev/blog/use-expo-ship-faster

17 hours ago 7 0 0 0
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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%.

EAS Update in SDK 55 now supports bundle diffing. Devices download a small binary patch instead of the full JavaScript bundle.

A typical 3MB update drops to ~0.75MB. Opt-in now, default in SDK 56.
expo.dev/blog/ship-smaller-ota-up...

1 day ago 11 1 0 0
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Migrating a complex brownfield React Native app to Expo: lessons from MyWheels Learn how migrating a brownfield React Native app to Expo improves app performance, expedites releases, and fosters strong collaboration across teams.

MyWheels migrated a complex brownfield React Native app from RNC CLI to Expo for faster builds, easier onboarding for web developers, and better collaboration across teams.

This process has only gotten easier since SDK 55...check it out:
https://expo.dev/blog/from-rnc-cli-to-expo

1 day ago 2 0 0 0
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Builds native apps with AI. Expo Agent turns natural language into production-ready apps. Real native apps with builds, updates, and app store submissions from day one.

🙌 We've begun to invite more people from the Expo Agent waitlist into the beta.

Join the waitlist if you're interested: https://try.expo.dev/agent-beta-waitlist

3 days ago 10 1 1 0
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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.

AI agents are shipping more PRs, but verifying mobile UI still needs a real device.

New on the blog today: build a QA agent with EAS Workflows and agent-device that checks your app on iOS and Android for every PR.

expo.dev/blog/build-a...

3 days ago 9 0 1 0
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How Fig keeps millions eating safely with a five-engineer team and Expo Fig helps millions with dietary restrictions find safe food. Here's how a five-person team uses the Expo SDK and EAS Update to ship reliably and move fast.

Small teams can't afford to chase broken dependencies.

Fig (5 engineers, millions of users with food allergies) shares how they incrementally replaced community packages with Expo SDK modules after getting burned one too many times: expo.dev/blog/how-fig...

5 days ago 8 1 1 0
React Native Full Course 2026 | Build, Publish and Monetize a Full Stack Mobile App to App Store
React Native Full Course 2026 | Build, Publish and Monetize a Full Stack Mobile App to App Store YouTube video by JavaScript Mastery

🙌 It's almost impossible to find a (non Expo) youtube tutorial covering Expo's Services. Until now.

There is a massive new React Native crash course from the talented team at JS Mastery that covers SDK 55 and Expo's Services.

youtu.be/4nVoLX2taFg?...

6 days ago 9 1 0 0
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Built a progress bar with fun animated labels
with @expo.dev

2 weeks ago 15 1 0 0
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From skeptic to convert: how Fieldy adopted Expo for their AI wearable Fieldy's AI wearable needs persistent BLE connections and background audio. They migrated to Expo, cut app size by 25%, and automated every deploy.

Fieldy builds an AI wearable that depends on Bluetooth, background processes & tight performance budgets. They didn't think Expo could handle it.

Nine months in: 10% JS bundle reduction, 5MB off the binary, automated CI/CD with EAS Workflows.

Here's their blog post: expo.dev/blog/how-fie...

1 week ago 7 1 0 0
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React Native Radio - RNR 357 - React Native 0.82–0.84 & Expo 55 Mazen and Robin catch up on five months of React Native and Expo releases, covering the biggest updates in 0.82–0.84 and Expo SDK 55. They talk through the move to the new architecture, Hermes V1 beco...

🖤❤️ RNR 357 ❤️🖤

@mazenchami.dev and @robinheinze.dev catch up on the biggest React Native 0.82–0.84 and @expo.dev SDK 55 updates, from the new architecture and Hermes V1 to faster builds, better tools, and AI upgrades.

Listen now 🎧
infinite.red/react-native...

2 weeks ago 10 6 0 1
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5 proven strategies to increase adoption of your B2B mobile app Enterprise buyers don't install apps from ads. Learn how to drive B2B app adoption through onboarding, case studies, pilots, and targeted distribution.

💡 B2B mobile apps face a different adoption challenge than consumer apps. You're competing for budget approval and security reviews, not App Store attention.

What actually works: fast onboarding, case studies, pilot programs, and long-tail keywords.

Full guide:
expo.dev/blog/5-prove...

2 weeks ago 3 1 0 0
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Expo Router v55 is here, and it makes native navigation UI a first-class part of routing.

♢ New Stack API
♢ Native toolbars, native tabs, dynamic platform colors
♢ Apple zoom transitions, split view

Tour + examples: expo.dev/blog/expo-router-v55-mor...

2 weeks ago 21 2 0 0

😍😍😍

2 weeks ago 2 0 0 0
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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.

🤖 Jetpack Compose in React Native is here

Expo UI in SDK 55 exposes real Compose & SwiftUI components, not JS reimplementations. Material Design 3 on Android, native SwiftUI on iOS.

Deets in @kudochien.dev's blog:

expo.dev/blog/expo-ui-in-sdk-55-jetpack-compose-now-available-for-react-native-apps

2 weeks ago 28 5 0 0
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Expo Everywhere in Seattle · Luma Seattle devs - this meetup is THE event for learning about practical AI use cases and modern mobile app development. And it's conveniently located right next…

🫣 Behind the scenes look at Expo Agent this Wednesday at our Seattle Meetup.

📍 Where: 1928 Pike Pl suite 301
⌚ When: Wednesday 5pm-8pm

🍕 🍻 🎤 There will be pizza, beverages, & lightning talks including a little demo of Expo Agent.

luma.com/pteieuif

2 weeks ago 13 5 0 0
Screenshot of React Native Directory package version page including a top downloaded version chart.

Screenshot of React Native Directory package version page including a top downloaded version chart.

📊 New on React Native Directory: package version pages now show a Top Versions download chart.

Quickly see which versions were installed most in the last week and how adoption of new releases is looking.

🌐 Start exploring: reactnative.directory

3 weeks ago 9 2 1 0
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The next generation of Expo APIs: MediaLibrary and Contacts SDK 55 brings the next iteration of our core libraries. Shared Objects & Shared Refs fundamentally change how to interact with native data with these libraries.

New in SDK 55: expo-contacts and expo-media-library now have object-oriented APIs built on shared objects.

Fetch only the fields you need. Update a single property in one line. Query media with a readable builder pattern.

Available now as /next imports: expo.dev/blog/the-nex...

3 weeks ago 5 0 0 0
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Expo Everywhere in San Francisco · Luma SF devs, let’s build better React Native apps together! If you're shipping with React Native (or exploring mobile), join us for an evening of practical…

🎙️The amazing @ccheever.com is going to talk at our meetup with @workos.bsky.social next week in SF.

Prepare yourself for an AI demo, behind-the-scenes intel about what we're cooking, and some wild metaphors that map everything back to reality.

luma.com/tymmwme5

3 weeks ago 6 2 0 0

This will change. React Native apps had the highest LTV. The vast majority of React Native apps are Expo apps.

And we just released a tool for building apps with AI and Expo....

3 weeks ago 2 0 0 0
Introducing Expo Agent (beta): build real, production-quality native apps from your browser
Introducing Expo Agent (beta): build real, production-quality native apps from your browser YouTube video by Expo

🙌 Introducing Expo Agent

Build truly native iOS and Android apps from a prompt. Anything from React to SwiftUI to Jetpack Compose.

Compile and deploy for Apple, Android, and the web right from the browser!

youtu.be/3yyy32R0s2k

3 weeks ago 29 6 0 3
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Saw a beautiful spiral-style animation on 𝕏 a few days ago but forgot to bookmark it.

Tried recreating the vibe from memory.

@expo.dev + @swmansion.com's Reanimated ✨

4 weeks ago 11 2 0 0
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AI-powered code reviews for your Expo projects CodeRabbit is an AI-powered code review platform that understands Expo. It catches real issues across your whole codebase before they hit production.

AI code reviews that understand Expo and React Native patterns.

This post walks through @coderabbitai.bsky.social and what it catches before issues hit production.

expo.dev/blog/ai-powered-code-rev...

4 weeks ago 5 1 0 0
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Expo now supports Maestro Cloud testing in your CI workflow Run Maestro Cloud tests inside EAS Workflows, right next to your builds. Learn the simple setup, ditch CI glue code, and scale tests faster.

Maestro Cloud testing in EAS Workflows ✅

Builds and E2E tests in one pipeline. Give it a try:

expo.dev/blog/expo-now-supports-m...

1 month ago 3 0 0 0
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Expo SDK 55 introduces the isolated brownfield approach: package your Expo app as a precompiled native dependency and embed it in your existing app.

Swift & Kotlin devs never touch Node.js. React devs get a clear surface to contribute. Complexity stays contained.

try.expo.dev/brownfield

1 month ago 11 2 0 1
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You can now build iOS home screen widgets and Live Activities as React components in Expo.

No Xcode target setup. Define your widget with @expo/ui & CNG handles the rest.

◆ Interactive home screen widgets
◆ Live Activities for Lock Screen and Dynamic Island

expo.dev/blog/home-sc...

1 month ago 33 4 2 2
Illustration of three differently colored mobile app icons labeled Dev, Preview, and Production, symbolizing build variants or app flavors for separate development and release environments.

Illustration of three differently colored mobile app icons labeled Dev, Preview, and Production, symbolizing build variants or app flavors for separate development and release environments.

Shipping the “same” app in dev, preview, and production without release chaos?

We’re using App Flavors with Expo + EAS to keep builds cleanly separated.

Full post:
bitglow.de/blog/app-fla...

Curious how others structure their builds.

1 month ago 16 1 1 2
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Expo Everywhere in Toronto · Luma Toronto Devs, let’s build better React Native apps together 🤝 If you're shipping with React Native (or exploring mobile), join us for an evening of practical…

🍁 Calling all Maple Mobile Devs - we're hosting our first ever meetup in Toronto and we'd love to see everyone from that community in person.

The event is this Thursday, March 5th. Details are here:

luma.com/kn2p96vu

1 month ago 2 0 1 0
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Expo Router v55 is here.

♢ Native navigation UI, built like React (Stack API, toolbars, native tabs)
♢ Dynamic platform colors, zoom transitions
♢ Better iPad support with split view
♢ Stronger web story with expo-server, headers, experimental SSR + loaders

Blog + demos: expo.dev/blog/expo-ro...

1 month ago 13 1 1 0

This is a hard problem to solve. Sounds like you’re doin a great job.

1 month ago 1 0 0 0
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You all should have seen @buildwithtori.com's demo at the Seattle meetup this week. Pretty much: 🤯

Hope to see all the local Seattle devs at the next one: partiful.com/e/096o98XaHX...

1 month ago 14 1 0 1