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Michał Pierzchała
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Michał Pierzchała
@thymikee
Principal Engineer for Open Source @callstackio. Core @reactnative Community contributor. Created @agent_device, RN Testing Library, ex-maintainer Jest
Krakow, Poland
github.com/thymikee
Joined August 2010
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  • user avatar
    Michał Pierzchała
    @thymikee
    Feb 21, 2024
    How to spot a senior engineer?
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    867K
  • user avatar
    Michał Pierzchała
    @thymikee
    Jun 9, 2025
    Liquid glass. Good luck Flutter
    650K
  • user avatar
    Michał Pierzchała
    @thymikee
    Nov 3, 2022
    React Native moves to TypeScript template by default, removing Flow 🤯
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    Use TypeScript by default for new applications by NickGerleman · Pull Request #35165 · react/reac...
    From github.com
  • user avatar
    Michał Pierzchała
    @thymikee
    Jan 3, 2023
    With React Native v0.71 release we'll get: - New app template is TypeScript by default - TypeScript declarations shipped with React Native - React Native documentation is TypeScript First Great to see RN investing in what most of the community uses 👏
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    First-class Support for TypeScript · React Native
    From reactnative.dev
    70K
  • user avatar
    Michał Pierzchała
    @thymikee
    Feb 3, 2025
    Adding React Native to existing apps should be that simple. No node_modules, no CocoaPods, just import
    Image
    50K
  • user avatar
    Michał Pierzchała
    @thymikee
    Mar 4, 2025
    Introducing a new React Native Framework for Enterprise apps. ✨ Built around native build reuse, incremental adoption and self-hosting at your own infra. Because the best build is no build. Hop on the wait list ⬇️
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    00:00
    90K
  • user avatar
    Michał Pierzchała
    @thymikee
    Sep 27, 2024
    CodePush open-sourced their server 🎉 - Deploy and use independently from App Center - Fully compatible with React Native Client SDK - 6 months prior to shutting down App Center Repo:
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    GitHub - microsoft/code-push-server: Standalone CodePush server from App Center
    From github.com
    29K
  • user avatar
    Michał Pierzchała
    @thymikee
    May 26, 2025
    Most React Native teams are wasting time and money on CI, because they rebuild the project from scratch regardless the source of change. We helped one team cut their native build frequency by 96% and make related compute 10x smaller. Here’s what we learned ⬇️
    41K
  • user avatar
    Michał Pierzchała
    @thymikee
    Sep 20, 2022
    TypeScript types are now a part of the React Native codebase 🎉 Shipping in v0.71
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    Move TypeScript declarations into react-native (#34614) · react/react-native@6b2a511
    From github.com
  • user avatar
    Michał Pierzchała
    @thymikee
    Jun 5, 2023
    React Native for Vision Pro soon 👀
    30K
  • user avatar
    Michał Pierzchała
    @thymikee
    Apr 2, 2025
    Thank you React Native!
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    24K
  • user avatar
    Michał Pierzchała
    @thymikee
    Nov 19, 2024
    React team is working on React IDE (vscode extension) 👀 #ReactSummitUS
    23K
  • user avatar
    Michał Pierzchała
    @thymikee
    Oct 11, 2018
    I’m happy to announce a new testing library to help you write better React Native tests with less effort. react-native-testing-library 🎉🎉🎉 It’s like react-testing-library but tailored for RN and universal React apps. Happy testing! 🙃
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    GitHub - callstack/react-native-testing-library: 🦉 Simple and complete React Native testing...
    From github.com
  • user avatar
    Michał Pierzchała
    @thymikee
    Nov 26, 2024
    React Native 0.77 RC.0 is here 🎉 including: - Swift template for iOS - Progress on native API stability - Better tvOS integration - Improved Animated performance - React DevTools v6 and a lot more! full changelog:
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    Release 0.77.0-rc.0 · react/react-native
    From github.com
    17K

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