Evan Bacon 🥓

@Baconbrix • 59,273 subscribers

~ / npx serve-sim | Creator of Expo Router

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Evan Bacon 🥓

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New in serve-sim ⬦ Simulator buttons and controls ⬦ Unified devices panel ⬦ Fast device switching ⬦ Streaming controls Optimized for Cursor, Codex, and Claude Desktop 🚀 ~ / npx serve-sim

You can now 'inspect element' for any iOS app directly in Codex or the browser! ~ / npx serve-sim S/O Rounak Jain for the contribution 🚀

You can now build iOS camera apps directly in Codex! ~ / npx serve-sim Agents can even use video files to develop headlessly in the cloud, run e2e tests, and work in parallel. No more bottleneck on physical sensors!

In the next version of Expo Router use &lt;Toolbar /&gt; to create bottom-aligned controls and menus for commonly used actions.

claude code devrel caught Theo - t3.gg’s team wearing OpenAI hoodies to MCP night

Expo Router v7 is now in beta! ◆ &lt;Toolbar /&gt; ◆ &lt;Stack.Toolbar /&gt; ◆ &lt;Link.AppleZoom /&gt; ◆ &lt;Tabs.BottomAccessory /&gt; Try the new UI components today: ~ / bunx create-expo -t default@55

ok but now combine it with Apple vision models and Expo Agent

just hacked Xcode support into v0 and used it to build a swift app from the web in ~7 mins

Universal Expo chatbot template is now on SDK 56! ⬦ Better streaming with expo/fetch ⬦ All SwiftUI/Jetpack components run natively in Expo Go on mobile.

React Compiler is insane 🤯 Just enabled it in my @Expo Router app and had my mind blown by how much could be optimized when toggling switching screens. Before / After

In the next version of Expo Router, You can add interactive Apple zoom transitions to any &lt;Link /&gt; in your app ✨

In the next version of serve-sim System-wide appearance controls and CLI commands for agents to test accessibility. Works with Codex, Cursor, and Claude in-app browsers.

I just one-shot my first  Apple watch app with Expo and sent it to TestFlight

Expo Agent just let me one-shot a custom lock screen widget Literally never been easier to create any native feature

Expo Router v6 is here! The perfect blend of React APIs and Native views. ✦ Liquid glass tabs for all  Apple devices ✦ Native material tabs for Android ✦ link previews and context menus ✦ Server-side middleware for authorization ✦ Beautiful web modals

In @Expo Router v4 you can easily turn routes into native bottom sheets. Works on both iOS, and Android.

Forcing a webpage to render in HDR to make liquid glass active states work on the web. Filmed on phone because the effect is flattened by screen capture 🤓 The effect is limited to Apple desktop displays. Try it

CMS → API Route → Real-time React updates This has crazy potential.

Released a template for custom payments for iOS ⇔ web ⇔ server! ⚡️ Develop: ~ / npx create-expo -e with-stripe 🚀 Deploy: ~ / npx testflight

I made my mac 🎉🎉🎉 when React Native rebuilds

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Building an iPhone app directly in Codex desktop with iOS simulator

I gave the Grok app an iOS simulator so I can build native apps from anywhere

Just open sourced a template for using the new Grok Voice Agents in Expo ⬦ Dynamic Rive animations from Vercel AI Elements ⬦ AI SDK v7 and Tailwind ⬦ Custom Grok voices and personalities Source below ↓

Adding iOS simulator to your favorite editor: ✓ Codex ✓ Claude Code → and now Cursor

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!

I gave the new Claude Code desktop app a built-in iOS simulator

Just open-sourced a new template for building AI chatbot apps like Claude with Expo Router! ⬦ Runs on iOS, Android, and web ⬦ Stream any model with AI SDK ⬦ Tailwind styles for theming ⬦ Smooth keyboard handling ⬦ Liquid Glass and iOS 18 Link below ↓

The new iOS 26 Liquid Glass UI works perfectly with 𝝠 Expo Router! Truly native to the platform 🚀

Just realized you can develop native apps entirely from the Claude mobile app using your existing Claude Code subscription 🤯 Here it is removing .navigationBarTitleDisplayMode(.large) from my movies app.

In the next version of serve-sim Simulate walking, biking, and driving for any Apple app Works with any browser or agent

using apple vision pro to drive my Tesla out of the garage

I built subway surfers for Meta Display so I can pay attention outside

taught Claude Code how to ssh into my Apple Health data and fill in metrics based on prompts about my day.

New version of serve-sim is here! ◆ N-API replaces the helper subprocess ◆ 26x less bandwidth for video streams ◆ 1.7mb smaller binary ◆ Shared process across simulators It's now much easier to host on cloud macs and use for remote agent verification 🚀

I gave Codex the ability to open Chrome DevTools for any iOS website No more opening Safari just to inspect element or debug network requests. Just tell your agent to run: ~ / npx serve-sim

⚡️ What if you could incrementally adopt native views in React websites instead of starting from scratch? 🚀 Expo DOM Components make this possible! Watch: Migrating a shadcn template to Expo Router ↓

I open-sourced three of my Lego sculptures so you can build them step-by-step right from the browser!

In the latest version of Expo MCP, Enable agents like Claude Code to fix TestFlight crashes and review user feedback automatically 🚀 ◆ Full crash logs and screenshots ◆ Follow up with users over email ◆ Rank issue severity ◆ Works with any Apple app—Expo, SwiftUI, etc.

Just built my first  App Clip in @Expo Router! ◆ Instantly launch on iOS w/o downloading ◆ Deep link to every screen automatically ◆ Convert users in-app w/o ever going to the App Store The best possible iOS web experience—notifications, Live Activities, haptics, gestures

⚡️ Instantly add  home screen widgets to your React app with my new `npx create-target` command! Everything's possible with @Expo Router 🔥

In the next version of Expo Router use <Toolbar /> to create bottom-aligned controls and menus for commonly used actions.

Expo Router v7 is now in beta! ◆ <Toolbar /> ◆ <Stack.Toolbar /> ◆ <Link.AppleZoom /> ◆ <Tabs.BottomAccessory /> Try the new UI components today: ~ / bunx create-expo -t default@55

In the next version of Expo Router, You can add interactive Apple zoom transitions to any <Link /> in your app ✨