OTA sounds simple - ship updates instantly like the web. But at scale, it’s an illusion. Adam Mruk (Klarna) shares what it really takes to build a reliable OTA system for millions of users. ▶️ youtu.be/hBoAD6sYDYo

Composition is React’s most powerful tool, but it’s also one of the most misunderstood. @rojo.bsky.social, Head of Mobile at @vercel.com, showed how composition is the key React pattern for scaling codebases - from one component to thousands - while staying maintainable. ▶️ youtu.be/4KvbVq3Eg5w

A React Universe Conf 2025 highlight: a panel marking 10 years of React Native with @tomocchino.com (Vercel), Christoph Nakazawa (Nakazawa Tech), @ccheever.com (Expo) & @grabbou.com (Callstack). Milestones, key learnings, and most importantly, opportunities for the future. ▶️ youtu.be/V5rgg9w25AY

Is your app built on guesswork or backed by data? @popovaviolina.bsky.social (ClipMyHorse.TV) showed how A/B testing in React Native helps teams move from intuition-driven to data-driven development. ▶️ youtu.be/XZjnxHCnGI0

Bridging C++ into React Native has always been painful. Dr. Kubilay Küçük (Oxford University) introduced cpp.js.org - an automated toolset for bringing modern C++ libraries into React Native & WebAssembly with ease. ▶️ youtu.be/TjrZIrgKQWM

From class components ➡️ hooks ➡️ compiler. Anisha Malde (Amazon) mapped out the generations of React, and how each shapes the way developers code, learn & share best practices. ▶️ youtu.be/9CHdcVq1rto

LLMs aren’t the only AI. In this talk Richard D. Hipp (creator of SQLite) reframes SQL as the AI assistant you already have, and shows why mastering it is key to long-term developer productivity. ▶️ youtu.be/0668eKZtKko

There’s one library you need for building AI-powered apps in TypeScript: Vercel’s AI SDK. @mattpocock.com (Author of Total TypeScript) gives a hands-on crash course, showing how to integrate AI into React apps while avoiding vendor lock-in. ▶️ youtu.be/ihHLs6v7Lko

Ottrelite bridges the gap between React Native DevTools and modern observability needs, making it easier than ever to trace, profile, and monitor apps across platforms. Artur Morys-Magiera and Dominik Dolny from Callstack bring you the complete picture in one talk. ▶️ youtu.be/ebfBtiWbqwE

Nitro has become the foundation for some of the most powerful React Native libraries today. At React Universe Conf 2025, @mrousavy.com (@margelo.com) shared Nitro’s journey & what’s next with Nitro Image and VisionCamera. ▶️ youtu.be/25_FWxNh92A

The Node API is ABI-stable, engine-agnostic & already powering Node.js, Deno & Bun. @microsoft.com engineers Vladimir Morozov and Khalef Hosany showed how they integrated Hermes with Node API - unlocking universal native modules & long-term compatibility for React Native. ▶️ youtu.be/JnzkIzw-Jis

Upgrading React Native doesn’t have to be painful anymore. At React Universe Conf 2025 @excbadacc.es unveiled a new release process - making React Native more predictable, stable & developer-friendly than ever. And React Native 1.0 is on the horizon 🤞 ▶️ youtu.be/GPtopk4y2LI

React Native turned 10 and steps into a new era. @grabbou.com , Riccardo Cipolleschi and @thymikee.bsky.social explored its past, present, and future - stability, scalability, and a stronger ecosy stem - setting the tone for React Universe Conf 2025. ▶️ youtu.be/JEQ2g3BBKTg

React Universe Conf memories unlocked 📸 Browse the Photo Gallery and spot yourself in the wild! www.reactuniverseconf.com/photo-gallery

Wow, what a ride it was 🔥 Huge thanks to all the amazing speakers, hosts, and attendees - you made the magic happen! It's a great honor (and fun!) to be a part of such a community. Pics and talks coming soon, so stay tuned!

The new talk ViewTransition in React of the RSC Queen 👸 @aurorascharff.no is about to start. Live coding while explaining things the entire talk, no slides. 🤯 @reactuniverseconf.com

😍 Love seeing @kadi.bsky.social on stage at @reactuniverseconf.com with other talented devs. 🥂Today is actually Kadi's 2 year 𝝠 Expo anniversary and her talent is a massive reason for the exponential growth of 𝝠 Expo over that period of time. Thank you for everything that you do Kadi!

Had a great time at @reactuniverseconf.com today

@reactuniverseconf.com React Universe Conf 2025

Good morning, Wrocław! Day 2 is packed (again) - time to recharge! Stop by the Amazon Developer coffee zone for world-class brews, because great vibes run on great coffee🤘 Huge thanks to Amazon for the boost!

Last-minute announcement: @vercel.com joins React Universe Conf 2025 as a Bronze Sponsor! From powering the frontend cloud to helping teams ship faster, Vercel is shaping the future of the web. Thrilled to have them on board!

Me and @devlinduldulao.bsky.social are on our way to @reactuniverseconf.com 🤩 Looking forward to presenting a fresh talk on Thursday!

How do you ship React apps across phones, browsers, TVs & even AR/VR? Find out in the closing panel with leaders from Amazon, @expo.dev, Storybook & @microsoft.com: Chris Trag, @kadi.bsky.social, Danny Williams, Mo Gorhom, Khalef Hosany. Are you joining us? 🎟️ clstk.com/4mA1NtI

Every great conference needs a great MC. This year, we're in the hands of Jessie Auguste: engineer, podcaster (Glowing in Tech), and speaker. We’re thrilled to have her leading the way in Wrocław this week 💜 Book your last-minute ticket 🎟️  clstk.com/4n6IwQE

Getting Legend List for web ready for my @reactuniverseconf.com talk in beautiful Wroclaw 😍

Welcome HelloFresh as a Bronze Sponsor for React Universe Conf 2025! And if you want to learn from their journey of cutting weeks of manual refactor work down to hours with GenAI, don't miss Ohans Emmanuel's talk on Day 2. 🤘

Can’t be in the room? Join us online. This year’s conference will be live-streamed on X, YouTube, Twitch, and the conference website. Expect talks and a peek behind the curtain, with live interviews and a special podcast episode in between.

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 👇

Working on my @reactuniverseconf.com presentation I need inspiration for a stupid "native API" to implement a Node.js native addon for: "best" candidate is `ejectCupHolder` with me narrating "like this example of ejecting a compact disk drive". Afraid people will be too young to get the "joke" 😬🤦

From greenfield to hybrid, gradual to bold; there’s no single way to migrate. That’s why at we’re hosting “Challenges and Approaches for Migrating Large Mobile Apps to React Native” panel featuring stories from HelloFresh, Zalando & Callstack. Are you joining us? 🎟️ clstk.com/4fOWkg9

🔹Meet the Speakers🔹 Single-threaded JS? Not anymore. @tjzel.com (@swmansion.com‬) will show how react-native-worklets pushes concurrency in React Native and what happens when you take JS to its multithreading limits. Don’t miss this one 🎟️ clstk.com/4fPcQNa

🔹Meet the Speakers🔹 Too many libraries, too many choices. @christoph.nkzw.tech says it’s time to cut through the noise and build scalable apps end-to-end with an OSS stack that just works. Don’t miss this one 🎟️ clstk.com/3UG7Osw

🔹Meet the Speakers🔹 React has always run on one JS thread. But what if it had two? @hux.pro, Ziqi Zhen, and Haoyang Wang (@bytedance.bsky.social) are here to show what that world looks like, and why it’s not just imagination. Don’t miss this one 🎟️ clstk.com/3JPHkT5

10 years, 5 voices, 1 panel that defines where React Native has been and where it’s going. It will be a rare chance to hear from @ccheever.com (@expo.dev), @cortini.co‬ (Meta), @grabbou.com (@callstack.com), Christoph Nakazawa & @tomocchino.com (@vercel.com‬). Don't miss it 🎟️ clstk.com/4mNA8VK

React Native DevTools needed plugins, so @chmal.it built Rozenite; no fork, just smart hooks into the core architecture. At React Universe Conf, he’ll show how it works and how to use it to build your own plugins with powerful, sandboxed execution and native React-based UIs 🎟️ clstk.com/45vlpJC

From text to speech and back - plus music, dubbing, and conversational AI. If it’s AI audio, @elevenlabs.io does it. Excited to welcome them as our Silver Sponsor! Hint: press play and hear it pirate-style 🏴‍☠️

Now that’s what we call the perfect conference warm-up 👌 Make the most of Day 0 with this star-packed meetup featuring @szymonrybczak.bsky.social ak.bsky.social, @lgrammel.bsky.social, Eric Fahsl and @raf.dev. Check out the details ➡️ bit.ly/45JebjY

🔹Meet the Speakers🔹 Zero-cost runtime styling? That’s the mission. At React Universe Conf, Jacek Pudysz will show how Unistyles uses C++ and build-time tricks to make styling instant (no re-renders needed). Book your spot 🎟️ clstk.com/4oE5bVJ

Great speakers. High energy. Invaluable face-to-face time. This is how you kick off the season. Celebrate React Native’s 10th Anniversary with 10% off tickets: bit.ly/4mk9BQi.

Exciting news! We're happy to announce @zalando.com as our Gold Sponsor for React Universe Conf! Join us as we explore the future of React & React Native together with one of Europe's leading tech innovators. Thank you, @zalando.com, for supporting the community!

React Native is 10. It’s time to talk about the next 10 ⏰ Catch @grabbou.com at the “10 Years of React Native and Beyond” panel, where he’ll be sharing what’s worked, what hasn’t, and what’s next 🎟️ bit.ly/4fKiSyE

During the “10 Years of RN and Beyond” panel, we’ll be looking back and forward, discussing wins and some things we’d rather forget 😉 First confirmed voice: @ccheever.com, CEO at @expo.dev. You don’t want to miss it 🎟️ clstk.com/4otaCXL

With the "10 Years of React Native and Beyond" panel comes a 10% promo on conference tickets - for all of you who want to be a part of it! Get your ticket: bit.ly/4mJ0p7S

🔹Meet the Speakers🔹 React has generations, not just releases. @anisha.dev (Amazon) is mapping the evolution from class components to hooks to compiler-backed React and how your journey shapes how you build. Book your spot 🎟️ clstk.com/4msCvx9

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

🔹Meet the Speakers🔹 Faster releases, fewer surprises, better DX. @excbadacc.es (Meta) is leading a shift in how React Native ships, and he’s taking us behind the curtain at React Universe Conf. Book your spot 🎟️ clstk.com/4oudlAi

Legend List for React DOM coming soon, launching September 4 at @reactuniverseconf.com. The goal is to be faster than every other list library on both mobile and web.

🔹Meet the Speakers🔹 How do you integrate custom native tracing into React Native? You use Retraceable, a new Nitro Module-based framework. Artur and Dominik from @callstack.com will demonstrate how it works. Save your spot at this and more talks 🎟️ clstk.com/4fqedli

So @mattpocock.com just dropped a behind-the-scenes look at his AI workshop & it's packed 😮 From AI agents to observability & keeping your app from destroying the file system, it's production AI with TypeScript. Get a combo ticket now to secure your spot at the workshop & conf 🎟️ clstk.com/45jA219

Let's welcome another sponsor 🎉 MongoDB is a document database with the scalability and flexibility that you want with the querying and indexing that you need. Learn more at mongodb.com