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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.

Talk
Karków, Poland
Online
The Bigger Picture

React Native lessons from TV that scale: performance, architecture & cross-platform code strategies—beyond mobile, across devices.

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Talk
Amsterdam, Netherlands
Online
Building Cross-Platform Federated Modules with React, React Native, and Re.Pack

Discover how Module Federation and Re.Pack enable true cross-platform super apps with React Native. Learn best practices and real-world strategies for dynamic, modular architectures.

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Meetup
New York City, USA
Online
React Universe Meetup: New York

Join us in NYC or online for React Universe Meetup: tech talks, real-world insights, and networking with React Native devs. June 24, 2025.

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watch

Past events

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

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Insight Page
React Native
Conference
5/9/2024

React Universe Conf 2024

Relive React Universe Conf 2024, from talks to stories from the React and React Native community shaping the future of app development.
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Insight Page
React
Talk
5/9/2024

Welcome to the React Universe

This is the Keynote talk presented at React Universe Conf 2024, the largest community conference that unites developers and thought leaders to explore trends, share insights, and push the boundaries of React and React Native.
Michał Pierzchala
Kris Lis
Insight Page
AI
Talk
25/7/2024

Bringing AI to React Native

Leveraging capabilities of local devices to run LLMs via React Native and Vercel AI SDK.
Szymon Rybczak
Insight Page
Monitoring
Talk
19/7/2024

Unlocking Hidden Data: RUM for Effective App Optimization and Decision Making

Explore how RUM data reveals user behavior, solves app mysteries, and boosts conversions with smart metrics for better product decisions.
Ada Gawrysiak
Mike Chudziak
Insight Page
React Native
Talk
6/6/2024

React Universe Briefing

React Universe Meetup’s opening talk recaps React Conf 2024 and invites you to React Universe Conf this September in Wrocław.
Łukasz Chludziński
Insight Page
React Native
Talk
6/6/2024

Native Navigation in JavaScript World

Learn why react-native-screens powers popular navigation libraries in React Native—watch Tymoteusz Boba’s talk from the React Universe Meetup.
Tymoteusz Boba
Insight Page
VisionOS
Talk
16/5/2024

Spatial Computing With React

JavaScript powers a React Native journey on Apple Vision Pro, adapting to spatial apps and visionOS quirks for a unique dev experience.
Michał Pierzchala
Insight Page
Web3
Talk
5/4/2024

Build Universal Web3 Apps With React Native

Learn how to use React Native to build true cross-platform experiences (iOS, Android and Web) for your decentralized apps, from a single codebase.
Thiago Brezinski
Insight Page
Backend
Talk
8/12/2023

Bringing React Server Components to React Native

React Server Components are a new topic in the community; a bunch of frameworks are implementing them, and people are discussing this topic. But what if we could use React Server Components in React Native?
Szymon Rybczak
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We’ve spent years building full-stack, cross-platform apps and solving tough technical challenges. How can we help you?

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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.

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Article
5/21/2025

Multithreading Isn’t Free: Performance Pitfalls Visualized

Learn how to profile and optimize multithreaded apps. Discover why more threads don’t always mean faster results and how bad thread contention really is.
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Article
5/15/2025

Meet react-native-ai: LLMs Running on Mobile, for Real

Run AI models on-device in React Native apps using the new react-native-ai library, powered by MLC and Vercel AI SDK. Learn how it works and why it matters.
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Article
5/14/2025

New in Re.Pack 5.1: Preloading Remotes, Runtime Hooks, and Faster Startups

Re.Pack 5.1 introduces runtime hooks, preloading of remote modules with Module Federation, and experimental persistent cache for faster startups—plus full React Native 0.79 support.
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Article
5/13/2025

React Native Legal: Zero-Config OSS License Screens for Your App

Add license acknowledgments to your React Native app with ease using React Native Legal—a zero-config tool for OSS compliance across iOS, Android, tvOS, and AndroidTV platforms.
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Article
4/28/2025

Powering Native Apps with React Native Brownfield

Discover how React Native Brownfield makes it easier to blend React Native features into native apps without full rewrites or heavy migrations.
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Article
4/11/2025

Profiling React Native Internals with Tracy for Peak Performance

Learn how to profile React Native internals with Tracy to uncover bottlenecks, optimize performance, and gain deep insights into your app’s native behavior.
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Talk
Talk
5/21/2025

Building Universal Super Apps With React & React Native

Discover how to build universal Super Apps using React and React Native. Join Mike Grabowski, CTO at Callstack, as he explores dynamic code delivery, native UI rendering, and how RePack bridges the gap with Module Federation.
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Live Stream
Live Stream
5/20/2025

What’s New in Re.Pack 5.1: Live Overview

Explore runtime hooks, prefetching MF remotes, and more in Re.Pack 5.1. Join us live or watch the replay.
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Webinar
Webinar
5/12/2025

From Hours to Minutes: Making Your React Native CI Builds 20x Faster

Discover how to skip 90% of native builds in React Native CI using RNEF. Includes a live demo and cost-saving insights from Expensify’s setup.
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Podcast
5/16/2025

You Don’t Need a Rewrite, You Need React Native Brownfield

Discover how modern React Native Brownfield integration enables cross-platform power in native apps, without rewriting from scratch.
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Podcast
4/9/2025

Exploring TanStack Ecosystem: From React Query to TanStack Start

Tanner Linsley breaks down TanStack’s evolution—from React Query to Start—and why client-first React apps still matter in today’s full-stack landscape.
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Podcast
3/26/2025

How Definitely Typed Changed TypeScript Forever

Discover the story behind Definitely Typed with its creator, Boris Yankov, and learn how it became essential for type-safe JavaScript in the TypeScript ecosystem.