Testing in React has changed — even if it doesn't always feel like it. From test runners and mocking to AI writing our tests, Daniel Afonso will walk us through where we’ve been, where we are, and where testing in React is headed in 2025. 🧪🤖

Join Monica Restrepo for a deep dive into the latest trends in building highly customizable mobile apps that adapt to each user's learning journey—effectively and performantly—with React Native. 🛠️📱

Have you ever wondered how an electric guitar actually works? 🎸 If they were React components, the amp would receive the guitar as a prop and turn its signal into music. In this talk, @chance.dev 🦋 will show us how to build this —for real— with React + Web Audio API. 😲

Were you born as a graph node in a complex tree structure? 🌳🧬 In this talk, Kevin Maes will explore GEDCOM, the data format behind genealogy software, and how it opens up creative possibilities in web dev—from visualization to generative art and rich JS experiences.

I have now a pet project running with effect TS 🤩

Workshop tickets are out! kitze will guide you through building a fullstack app from scratch using React, Next.js, tRPC, Prisma, Tailwind, and more — with a focus on performance, type safety, and dev experience. Don't miss it! ⚡️

Unlock the potential of interactive web mapping with React in this hands-on workshop! Learn with Courtney Yatteau how to create visually appealing, dynamic maps that enhance any web application with real-time data and engaging design. 🗺️

Tired of flaky, unreadable tests? 😩 Join Łukasz Nowak to learn how to write bulletproof test suites with Vite and Playwright. From architecture and tooling to visual regression and a11y auditing—you’ll walk away with pro-level testing skills. 🧪🔥

Accessibility isn’t just a requirement, it’s an opportunity to build better, more inclusive experiences. Kathleen McMahon will teach you practical ways to bring accessibility into every stage, gaining the confidence to build apps that are resilient, inclusive, and ready for every user

We have entered the era of AI agents! 🤖 In this workshop, you'll explore how to build human-like GenAI experiences in the browser using LLMs, RAG, tool calling & more. Learn how to bring AI agents to life in your React apps with Shivay Lamba

Ready to master GraphQL in React apps with Glenn Reyes? This hands-on workshop covers fragments, cache updates, optimistic UI, subscriptions & how GraphQL fits into React 19 and Server Components. Walk away with a full toolkit for building scalable apps! 🛠️

By the end of Forbes Lindesay’s workshop, you’ll feel confident typing any React component, know when to apply advanced Typescript techniques, and understand the common pitfalls that can sneak past even type-safe code. 🪤🧠

Ever inherited a UI and thought: “Who hurt you?” 😩 In this talk, Bree dives into common frontend anti-patterns—from state management chaos to bloated components and a11y fails. Learn how to spot, fix, and avoid the traps of broken UI codebases. 🛠️

With Evyatar we're going to throw out the rule book and achieve blazing-fast filtering with just CSS. Prepare to have your assumptions about what's possible with CSS in React challenged! 🤯

What if your React app could handle tedious web tasks on its own—right in the browser? 🤖 In this talk, Aileen Villanueva shows how to build client-side AI agents in React using RAG, function calling & modern patterns to automate tasks without sending data to the cloud.

In this talk, Łukasz Chludziński will introduce a lightweight, Vitest-based testing architecture designed for React Native, enabling developers to run tests across multiple platforms efficiently. Don't miss it!

JavaScript Generators offer a powerful API that can unlock a variety of useful and creative patterns. In this talk, Mattia Manzati will show how to use them to build fully type-safe APIs across frontend and backend, plus some fun, experimental patterns you won’t see coming. 🤯

Small animations can make a big impact. ✨ In this talk, Kateryna Porshnieva shows how to bring React UIs to life—from simple CSS transitions to spring-based motion. Learn how to keep animations smooth, meaningful, and accessible to everyone.

Heads-up for everyone planning to attend React Alicante 2025! 🎟️ Tickets are going fast — Regular-Bird will likely sell out in about 2 weeks. Make sure to grab yours in time!

Spotted a chess puzzle by @flaviocorpa.com 🦋 :D