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Mike
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Mike
@grabbou
cto and founder @callstackio, @reactjs foundation, codex ambassador @openai. i love cars 🏎️
callstack.com
Joined December 2012
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  • Pinned
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    Mike
    @grabbou
    May 26
    Incredibly excited for this new chapter. Callstack turns 10 this year, and I couldn't be more proud of the team, the work we've done, and the direction we're taking next. React Native is still our foundation. AI-native engineering is where we're going next. Let's ship the next
    user avatar
    Callstack Engineers
    @callstackio
    May 26
    When the way software is built changes, we help companies adopt it. For over a decade, that meant bringing React Native to production across mobile, web, desktop, and TV. Now we are expanding that same mission to AI-native engineering: helping teams ship software with agents,
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    9.2K
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    Mike
    @grabbou
    Dec 2, 2024
    Building React Native apps with Claude, soon... 🤯🤯🤯 Check how it's done ⤵️
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    204K
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    Mike
    @grabbou
    Sep 7, 2022
    When working inside a monorepo, you can configure VSCode to launch all your dev commands at once, as soon as you open your workspace.
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    Mike
    @grabbou
    Nov 24, 2024
    🪄 Meet Cali: An AI agent for building React Native apps! Cali can build your project, manage your devices and emulators, help you find and install a library and more... Try Cali today! `npx cali` Powered by @vercel AI SDK. Hacked by me and @o_kwasniewski 💜
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    64K
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    Mike
    @grabbou
    Jul 14, 2025
    🎉 Apple’s on-device LLM is now in React Native Preview support for Foundation Models just dropped: - Text generation - Streaming - Structured output - Vercel AI SDK support Try it: `npm install @react-native-ai/apple` (requires iOS 26 beta 3)
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    65K
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    Mike
    @grabbou
    Sep 6, 2023
    Replying to @vanman_1000 and @Phil_Lewis_
    Actually I find hotels cheaper in Manhattan than apartments on Airbnb - traveling with my wife. I usually book on a short notice and prices on Airbnb are IMO less affordable.
    31K
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    Mike
    @grabbou
    Nov 19, 2024
    Uploading 1.2GB file over the network with React Native FastIO. Performing real-time compression. Minimal overhead. How crazy is this?🤯 Streams are coming! 💪 Snippet in 🧵
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    Mike
    @grabbou
    Feb 13, 2019
    🎉 React Native 0.59.0-rc.0 is out! You can try Hooks now!
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    Release 0.59.0-rc.0 · react/react-native
    From github.com
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    Mike
    @grabbou
    Aug 28, 2019
    Replying to @grabbou
    See the new Fast Refresh in action
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    Mike
    @grabbou
    Nov 6, 2024
    Coming soon to React Native. First-class support for streaming data. What this is? ✅ Create readable/writable streams from both JavaScript and Native ✅ Consume streams from both JavaScript and Native ✅ Works with WebSockets, fetch and more... 🔥 Build on top of Nitro
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    52K
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    Mike
    @grabbou
    Nov 15, 2024
    🎉 New way of working with data coming soon to React Native! ➡️ No more loading into the memory ➡️ Create native streams ➡️ Transform them in the JavaScript Codename `react-native-fast-io` coming soon... Where would you use this? 🤔
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    37K
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    Mike
    @grabbou
    Apr 2, 2025
    Printed copy of our Ultimate Guide coming soon! Would you like one?
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    17K
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    Mike
    @grabbou
    Aug 27, 2019
    React Native 0.61.0-rc.0 is out, featuring a new feature, called "Fast Refresh" and more... 🙈
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    Release v0.61.0-rc.0 · react/react-native
    From github.com
  • user avatar
    Mike
    @grabbou
    Mar 19, 2019
    #opensource
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