Oskar Kwaśniewski
@o_kwasniewski
Open Source @callstackio 💜 @reactnative Core Contributor, Creator of React Native for visionOS 🥽, http://minisim.app 📱
The new version of React Native Bottom Tabs is out! 🎉 A new highly anticipated feature: Custom JavaScript Tabs! ✨ Provide your custom tab bar while leveraging native navigation underneath 🚀 Here is a demo of it in the 🦋 app! This demonstrates smooth screen transitions…
I'm starting the beta testing period of a new app I've been working on! Kai - Smart Shopping List enhanced with AI features ✨ The app was built with: @expo, Reanimated, Supabase, React Native Bottom Tabs, and others 😄 Try it out now 👇🏻
Big news: the React Native DevTools framework is dropping by the end of this month 🔥 The name? It's locked in and I'm so excited about it. It kicks off a whole family of tools designed to push React Native even further… but I'm not allowed to say anything else at this point 🙊
Something changed today... I no longer prefer 🐪 case for my component names.. Lets go 🥙 case

I'm excited to finally share: Rozenite, the React Native DevTools plugin framework, is launching early next week! 🎉 We're aiming for a Monday release, but no rest yet. I'll be pushing commits all weekend to make sure it’s rock-solid for anyone ready to try it out.
Installing signed iOS apps from a link coming soon to @rnef_dev S3 provider. Like Fastlane but without Ruby
I'm looking for recommendations for some good books and articles about AI and building agents. Please share some high-quality content you found interesting 👇
New React Native book has been released! 🚀 Great work by @thymikee, @_atlj and @hurali97 👏 Check it out 👇
We wrote a small book for iOS and Android developers who want to try React Native. It emphasizes incremental migrations and goes through: → legacy vs. modern integration approaches → adding RN to an iOS app → adding RN to an Android app It's free. Link below ⬇️
Recently, I've worked on improving the built-in React Native modal! ✨ I've introduced a new prop: `allowSwipeDismissal`, which allows you to interactively swipe down the modal 🤌 It has been an open issue for the past 5 years 😅
¡Si eres programador, necesitas esta aplicación! Abre un emulador de iOS o Android en segundos. Gratuita, nativa y de código abierto: → minisim.app
🎉 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)
Together with @SzymonRybczak we are working on Zero AI✨ A CLI built to work with _any model_ with just one subscription! No more changing and setting up API keys 🔑 ➡️ Join the waitlist: zero-ai.dev
with new better models coming ever week, it's sucks that we can just one model in CLI tools... introducing zeroai 🔥 AI powered CLI app with support for any model, even including latest @grok! 👀 See the demo and sign up for the waitlist 👇