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NFL’s React Native at Scale: Web, Mobile, TV

Reposted by Callstack

Szymon Chmal @chmal.it · 1d

🎉 Introducing React Native Harness - a lightweight framework for testing native modules directly on device or emulator.

Write tests in a Jest-like syntax, run them in a real React Native runtime, and verify native behavior without mocks.

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Callstack @callstack.com · 2d

NFL engineering moves fast because kickoff and the Super Bowl don’t wait 🏈 On React Universe On Air, @grabbou.com and Michael Blanchard share how the NFL ships RN across mobile, web, and TV: GitHub Actions + Expo Build, 20–30 PRs daily, Expo SDKs.

Watch + resources ➡️ clstk.com/4nSz5Fd

Discover how the NFL uses React Native, Expo, and a monorepo to ship apps across iOS, Android, web, and TV with one stack.

AI for the Other Parts of Your Technical Job by Rafael Mendiola | AI Meetup, Wrocław, September 2025

Callstack @callstack.com · 6d

What does it take to keep NFL fans connected on every screen (iPhones, Xboxes, TVs, and more) every game day? @grabbou.com chats with Michael Blanchard (Director of Engineering at #NFL) about scaling React Native across every surface. Set a reminder for the premiere on October 14 📅

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Callstack @callstack.com · 7d

Still wrestling with generic tools for your dev workflow? It's time to build your own.

In this talk from our AI Meetup, @raf.dev shows you how to create custom, AI-powered tools like a personal slide generator with React and an AI dev notebook with Astro ➡️ youtu.be/MWGeGtIhf7o?...

YouTube video by Callstack

youtu.be

Reposted by Callstack

Jan Jaworski @jwr.ski · 8d

Last year, we proved that React Native is a great fit for Vision Pro. For React Conf 2025, we’re doing the same for @MetaQuestVR. We built a showcase app to show how React Native scales to VR platforms, and the results speak for themselves!

Check out what we did on our blog👇

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Callstack @callstack.com · 8d

The blog post at clstk.com/43bEK0z covers:
➡️ The setup process for Horizon OS
➡️ Key differences from mobile dev (input, environment)
➡️ How we used a shared codebase to get it done

Learn Once, Write for VR: A React Native Showcase for Meta's HorizonOS

Learn how a React Native app was built for Meta's HorizonOS, proving its viability for creating performant, cross-platform mixed reality experiences.

Introducing the React Foundation – React

Callstack @callstack.com · 8d

We just launched a new React Native showcase for Meta Quest VR 🚀

Our demo on Horizon OS features camera, audio, and fluid navigation powered by popular libraries. It proves you can use existing mobile skills to build high-performance VR experiences.

Read the full story by @jwr.ski on our blog ⬇️

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Callstack @callstack.com · 8d

At React Conf this week? Let's talk about the future of the ecosystem.

The Callstack team is just outside the Casablanca Ballroom. Drop by to discuss where React is heading and take our React Maturity Survey to see how your app can lead the way.

Callstack @callstack.com · 8d

Read the press release on the React blog ➡️ react.dev/blog/2025/10...

The library for web and native user interfaces

react.dev

Callstack Joins as Founding Member of the Newly Launched React Foundation

Callstack @callstack.com · 8d

Read the Callstack press release ➡️ clstk.com/478TYpz

Callstack joins the new React Foundation as a founding member. Launched under the Linux Foundation, it will steward React & React Native for long-term stability and ecosystem growth.

React Conf 2025 | October 7-8 | Henderson, Nevada & online | Join us!

Callstack @callstack.com · 8d

The future of React and React Native is now stewarded by the new React Foundation and Callstack is a founding member.This milestone ensures the long-term stability of the core infrastructure and a neutral, collaborative home for the ecosystem you rely on.

Press releases below ⬇️

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Callstack @callstack.com · 10d

We’re so excited to be co-hosting React Conf again this week!
Find us at:
- Callstack booth (main hall)
- “React Everywhere: Bringing React Into Native Apps” by @grabbou.com, Oct 8, 2:05PM
- “What’s the Framework of the React Future?” panel with @thymikee.bsky.social, Oct 8, 4:20PM

👉 conf.react.dev

conf.react.dev

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Callstack @callstack.com · 27d

At @reactuniverseconf.com, @lukasz.app talked with Joel Arvidsson‬, @jayz.us, and Thibault Malbranche. They covered React Native stability desktop apps, tooling gaps, and what 1.0 should mean.

Watch and explore show notes at clstk.com/48uIpKi

Callstack @callstack.com · Sep 16

One of the most common errors in React Native development on Android is “Unable to load script”.

We put together a clear troubleshooting guide covering Metro, ports, and network configs to help you solve the issue quickly ➡️ clstk.com/47N2Ody

Sep 16th 6:00PM: ## Hey React Prague Community! Join us for an evening of learning, sharing, and connecting with the vibrant React and Reac

Callstack @callstack.com · Sep 11

In Prague next week? Catch Szymon Chmal at The Spark as he breaks down how he hacked React Native DevTools. No forks needed.

📅 Sept 16, 6–10 PM, Prague, Czech Republic
➡️ guild.host/events/the-s...

The Spark | Guild

guild.host

Callstack @callstack.com · Sep 9

This week we're heading to China 🇨🇳

At GOSIM Hangzhou 2025 @thymikee.bsky.social & @kwasniew.ski will walk through Rock - an open-source framework that helps teams skip the build step and move faster with React Native.

📍Sept 13, 14:00–17:30, Venue 9 - B05
hangzhou2025.gosim.org/schedule/nat...

Native Apps Without a Build Step – GOSIM Hangzhou 2025

React Native apps are bigger and more complex than ever. At Callstack, we've built Rock—open, modular, self-hosted, and incrementally adoptable framework for Re

hangzhou2025.gosim.org

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Callstack @callstack.com · Sep 1

The AI Meetup is tomorrow 🎉 Join us on Sept 2, at 6 PM at Concordia Design, Wrocław.

Get ready for talks on AI SDK, on-device LLMs, TV apps, and custom AI tools.

Last chance to RSVP 👉 clstk.com/45SOOh3

AI Meetup in Wroclaw with Callstack & Vercel | Callstack

On Sept 2 in Wrocław, join top speakers from around the world at the AI Meetup. Learn about AI SDK 5, on-device LLMs in React Native, TV-ready apps with Kiro.dev, and how AI supports developers beyond...

Observability and OpenTelemetry in React Native With Embrace

Callstack @callstack.com · Aug 22

Tune in to the episode 🎧 clstk.com/4fN4ANz

Learn how Embrace and OpenTelemetry can help React Native teams standardize observability and improve app monitoring across platforms.

Callstack @callstack.com · Aug 22

You tested it, it passed, it shipped. But is your app really working for users?

Observability isn't a luxury; it's the feedback loop your app depends on.

In the latest podcast episode, we discuss spans, logs, metrics, real user monitoring, and all things observability and OpenTelemetry-related 👇

AI Meetup in Wroclaw With Callstack & Vercel | Callstack

Callstack @callstack.com · Aug 19

Learn more about the meetup and book your spot 🎟️ clstk.com/3JnIjtF

On Sept 2 in Wrocław, join top speakers from around the world at the AI Meetup. Learn about AI SDK 5, on-device LLMs in React Native, TV-ready apps with Kiro.dev, and how AI supports developers beyond...

Callstack @callstack.com · Aug 19

The @reactuniverseconf.com vibes start early this year. On Sept 2, we’re hosting the AI Meetup organized by Callstack, sponsored by @vercel.com 🎤

Expect an evening of talks, live demos, and networking before the conference even begins. Seats are limited. Save your spot below 👇

Observability & OpenTelemetry in React Native With Embrace

Callstack @callstack.com · Aug 13

What if your React Native app could speak the same telemetry language as your backend? @lukasz.app talks with Adam Horodyski and @embrace.io’s Jonathan Munz on OpenTelemetry, OTLP, and why standards matter for mobile.

Give this episode a listen and check out the full show notes 🎙 clstk.com/4oAMjab

Learn how Embrace and OpenTelemetry can help React Native teams standardize observability and improve app monitoring across platforms.

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Reposted by Callstack

React Universe Conf | Sept 2-4, 2025 @reactuniverseconf.com · Aug 12

To celebrate 10 years of React Native, we’re holding a panel that will explore what got us here, and what’s next.

On stage: @ccheever.com, @grabbou.com, @cortini.co and more 👀

The occasion calls for a 10% ticket price discount, so grab yours now 🎟️ clstk.com/46SgbIX