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Events

Upcoming events

We don’t just build with React and React Native, we share what we’ve learned. Meet our team at the following events, ask questions, and take away ideas for you.

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Talk
London
Online
How I Hacked React Native DevTools (And Built a Plugin Framework)

Learn how React Native DevTools work under the hood, and how to inject custom plugins with clean hooks and no forks.

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Talk
London, United Kingdom
Online
How to Run Any LLM On-Device With React Native

In this talk, Szymon will show how to run LLMs directly inside React Native apps using an AI SDK that provides a powerful abstraction layer to simplify building AI applications. Join him as he explores react-native-ai, a library that enables local LLM execution.

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watch

Past events

Explore talks and live streamed events from the past, packed with engineering insights from Callstackers who shape modern cross-platform app development.

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Insight Page
Brownfield
Talk
11/17/2025

Vega Developer Meetup

Learn how to integrate React Native into Android TV apps at the Vega Developer Meetup. Workshop, roadmap, and community talks, live in Munich.
Michał Pierzchala
Eric Fahsl
Artur Morys-Magiera
Insight Page
Testing
Talk
11/14/2025

Testing Native Modules Reliably With JavaScript

Learn how React Native Harness bridges the gap between mocking and E2E testing: real device tests, full native access, Jest-style simplicity.
Michał Pierzchala
Insight Page
Cross-Platform
Talk
11/12/2025

My First Few Months With Lynx.js

Is Lynx.js the next big thing in UI? Łukasz shares a newcomer's journey with the framework from TikTok's creators, revealing the good, the bad, and crucial lessons he learned.
Łukasz Chludziński
Insight Page
Brownfield
Talk
10/8/2025

React Everywhere: Bringing React Into Native Apps

Most teams use React on the web but still rely on native code or WebViews in their mobile apps. This talk explores how React Native can replace WebViews with minimal effort, allowing React to power both web and mobile.
Mike Grabowski
Insight Page
React Native
Conference
10/7/2025

React Conf 2025

We’re thrilled to announce that Callstack is once again co-hosting React Conf 2025 with Meta!
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Insight Page
Testing
Talk
10/4/2025

Write Once, Test Everywhere: Cross-Platform Testing for React Native

Cross-platform testing in React Native made simple: a lightweight architecture to run and extend tests on any JavaScript-powered platform.
Łukasz Chludziński
Insight Page
Developer Experience
Talk
9/16/2025

How I Hacked React Native DevTools (And Built a Plugin Framework)

Learn how React Native DevTools work under the hood, and how to inject custom plugins with clean hooks and no forks.
Szymon Chmal
Insight Page
Enterprise
Talk
9/13/2025

Native Apps Without a Build Step

Discover Rock by Callstack: the open, modular, self-hosted framework for React Native. Built to help teams scale, migrate, and deliver faster in the evolving React Native ecosystem.
Michał Pierzchala
Oskar Kwaśniewski
Insight Page
Developer Experience
Talk
9/4/2025

Rozenite: The Missing Part of React Native DevTools

Learn how Rozenite hooks into DevTools to enable clean, custom plugin development, restoring the extensibility devs loved in Flipper.
Szymon Chmal
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Insights

Your next read or watch starts here

Stay up to date with our latest insights on React, React Native, and cross-platform development from the people who build the technology and scale with it daily.

View all
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Article
11/25/2025

Integrating Swift Package Manager With React Native Libraries

Learn how to use Swift Package Manager with React Native libraries, including support for both remote and local SPM packages. This guide explains the spm_dependency helper, monorepo workflows, and current limitations.
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Article
11/21/2025

Memory Ownership Models: When JavaScript Meets Native Code

A deep dive into how React Native handles memory when JavaScript and native code share ArrayBuffer data. Learn why async processing can break, how GC affects raw pointers, and the safe patterns for building high-performance native integrations.
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Article
11/20/2025

How to Release a React Native App on the Meta Horizon Store

Learn how to build, submit, and publish your React Native app on the Meta Horizon Store.
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Article
11/7/2025

Exploring Lynx JS: From Quick Start to CLI Workflows

Learn how to set up Lynx JS, explore its ecosystem, and use the Community CLI to build native apps with a familiar JavaScript workflow.
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Article
11/6/2025

What You Can Build With React Native on Meta Quest

Get React Native app ideas for Meta Quest, inspired by Meta's $1.5M developer competition. Explore VR/MR concepts for meditation, games, and social apps.
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Article
10/30/2025

Using Expo Libraries on Horizon OS: A Guide to Compatibility

Learn how to use Expo libraries for React Native development on Meta's Horizon OS. This guide covers compatibility differences, what works out-of-the-box, and what requires specific alternatives like expo-horizon-core and expo-iap.
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Live Stream
Live Stream
11/20/2025

Introducing Solito 5 and the Web-Native Mindset

Join us on November 20 for a deep dive into Solito 5 with its creator, Fernando Rojo, and the Callstack team.
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Live Stream
Live Stream
11/13/2025

Inside Valdi: What We Learned Exploring Snapchat’s New UI Framework

A hands-on look at Valdi, Snapchat’s new UI framework: setup, architecture, rendering model, and early developer impressions.
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Live Stream
Live Stream
11/6/2025

Hermes V1: What It Is, What It Isn’t, and What’s Next

Łukasz Chludziński, Szymon Chmal, and Matt Hargett unpack Hermes V1, covering what’s new, what’s changing, and what’s ahead for React Native performance.
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Podcast
11/25/2025

Amazon's Vega OS: A New OS With React Native Built-In

Giovanni Laquidara (Amazon) introduces Vega OS, a new lightweight operating system with React Native built-in, designed for high-performance on low-end media devices.
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Podcast
11/24/2025

It's Not New: How 'The Architecture' Unlocks React Native's Future

Riccardo Cipolleschi (Meta) explains why the New Architecture is now just The Architecture and how it serves as the foundation for concurrent rendering, DOM APIs, and Hermes V1.
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Podcast
11/21/2025

React Foundation: New Governance Model for React and React Native

Seth Webster, Executive Director of the React Foundation, details its new governance model, Meta's role, and how partners like Callstack and Microsoft will ensure stability and scale.