React Native EU 2019

Name: React Native EU 2019
Start: 2019-09-05T00:00:00.000Z
Location: Wrocław, Poland

Organizer

Callstack

React Native EU 2019, held on September 5–6 in Wrocław, Poland, was the third edition of our flagship conference. The event gathered developers, contributors, and industry leaders to discuss the latest advancements in React Native. Key topics included the introduction of Hermes, a JavaScript engine optimized for React Native, efforts to improve the JavaScript-to-native bridge, and strategies for enhancing performance and developer experience.

The conference featured a diverse lineup of talks covering areas such as code sharing between web and mobile platforms, continuous integration practices, and the evolution of React Native's architecture. Sit back and enjoy the playlist of all the talks.

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Aug 4Podcast

VisionCamera V5 With Marc Rousavy

Marc Rousavy joins Mike Grabowski to unpack VisionCamera v5, Nitro Modules, the constraints API, migration work, and what changed for React Native camera apps.

Jul 1Podcast

Redraw for Effects Beyond Skia

William Candillon talks about where Redraw fits next to Skia, from physics-based rendering to camera effects, AR, and new UI patterns.

Jun 29Article

Less Boilerplate, More Type Safety: React Navigation 8's Typed Hooks

React Navigation 8 improves typed hooks with screen-aware types, less boilerplate, and fewer unsafe casts in shared UI and nested navigators.

Apr 30Live Stream

Build a React Native App With the TanStack Stack

Join Callstack’s live stream on building a React Native app from the ground up using the TanStack toolbelt.

Apr 28Article

React Native production lessons from React Universe Meetup x Zalando

Lessons from React Universe Meetup x Zalando on React Native in production, covering brownfield performance, feed video, native API access, and on-device AI.

Apr 23Talk

Shipping iOS Live Activities with React: The Voltra Story

How Voltra enables Live Activities and Dynamic Island views using React without writing Swift. A deep dive into iOS constraints and architecture.

Apr 16Live Stream

React Native 0.85: Animation Backend and Key Updates

A recap of React Native 0.85, covering the new animation backend, DevTools improvements, and ecosystem takeaways.

Mar 5Article

Keeping Screens Visible With <Activity mode="hidden">

A cross‑platform workaround to keep screens visible while <Activity mode="hidden"> unmounts effects on inactive screens by setting mode="hidden".

Feb 25Article

React Native Monorepo With pnpm Workspaces

Set up a React Native monorepo with pnpm workspaces for mobile and Next.js web, including Metro fixes, hoisted node-linker, and shared packages.

Feb 18Article

A Practical Guide to React Native Monorepo With Yarn Workspaces

Learn how to set up a React Native monorepo with Yarn workspaces for mobile and web, including Metro, Gradle, and shared packages.

Feb 17Podcast

From Teddy Bears to Voice Agents: Kraen Hansen on Voice AI, Local-First & App Security

What happens when you combine voice agents and teddy bears? A hands-on look at local-first systems, voice AI, and security lessons from poking real apps.

Jan 28Article

Bringing CSS Clipping to React Native

A deep look at how a single CSS feature moves through React Native’s New Architecture, from JavaScript styles to native rendering on iOS and Android.

Mar 19Tutorial

The Hard Way vs. The React Native AI SDK Way: Stop Writing Custom Modules for Every Model

Learn how React Native AI uses a unified provider model to switch between cloud and on-device LLMs without rewriting application logic, enabling reliable AI experiences online and offline.

Mar 12Tutorial

Build Smarter Apps: Tool Calling & AI Orchestration Explained

Learn how on-device models in React Native can call tools, interact with external APIs, and return structured outputs you can use directly in application logic.

Mar 5Tutorial

MLC LLM + React Native: On-Device AI Without the Pain

Learn how to run third-party on-device LLMs in React Native using MLC LLM. Choose your models, run them efficiently across platforms, and keep a unified JavaScript API with React Native AI.

Feb 24Tutorial

Intelligent Fallbacks with Apple Intelligence in React Native

Learn how to use Apple’s built-in Foundation Models in React Native apps, reduce memory usage, and enable fast, fully on-device AI with React Native AI Apple.

Feb 10Tutorial

What Is the React Native AI SDK? A Complete Intro & Quickstart

Learn why on-device AI matters for React Native apps, how local LLMs behave offline, and what problems React Native AI is designed to solve from day one.

Jan 29Tutorial

Implementing an Android TurboModule with Kotlin

Learn how to implement a React Native TurboModule on Android, from the TypeScript spec and Codegen to the Kotlin implementation and package registration.

Jan 19Tutorial

Working with Different Threads in Swift TurboModules

Learn how JavaScript, native module, background, and main threads interact in React Native TurboModules, and how to use GCD queues to run async work safely in Swift.

Jan 9Tutorial

How to Add Type-Safe Constants to Swift TurboModules

Learn how to expose typed, immutable constants from a Swift TurboModule using Codegen, and get full end-to-end type safety between native and JavaScript.

Dec 30Tutorial

Adding Event Emitters to Your TurboModule in Swift

Learn how to emit native events from a Swift TurboModule and subscribe to them in JavaScript, including proper memory management and Codegen integration.

Dec 22Tutorial

Writing Your First TurboModule in Swift

Learn how to build a fully working TurboModule in Swift, integrate it with Codegen, and bridge it through Objective‑C inside an Expo app.