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Events

Where we share what we learn

Stay connected with our team through events, talks, and workshops. Check out what’s coming next or browse recordings from past sessions.

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Meetup

Online

Callstack x Expo AI Meetup

Join Callstack and Expo in San Francisco for practical talks on AI-native mobile development, Expo Agent, Cloud Agents and autonomous mobile QA.

Registration closed

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Talk

Online

Automating mobile QA with cloud agents

Michał Pierzchała will present Automating Mobile QA with Cloud Agents at Ship London on 17 June 2026.

Registration closed

Conference

New York, United States

Online

React Universe Summit

A one-day conference in New York for engineering leaders shaping how enterprises use AI and React Native to move faster, build with more precision, and scale with confidence.

Registration closed

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Talk

London

Online

Mobile QA with Cloud Agents at AI Coding Summit London

Michał Pierzchała will speak at AI Coding Summit London 2026 about mobile QA agents for iOS and Android pull request workflows.

Registration closed

Conference

Warsaw | Poland

Online

Agent Conf

Join 500+ engineers in Warsaw Sept 17-18 2026 for Agent Conf. Learn agentic development, orchestration, and AI-driven workflows.

Registration closed

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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.

Codex Ambassador: Q1 Recap Across 5 Cities

A short recap of Codex events in Berlin, Wroclaw, Warsaw, Sopot, and Miami, plus what we learned from each format and where we want to go next.

React Native production lessons from React Universe Meetup x Zalando

Lessons from React Universe Meetup x Zalando on React Native in production, covering brownfield performance, feed video, native API access, and on-device AI.

When to Use Apple Foundation Models on Mobile

Apple’s Foundation Models framework gives mobile teams a practical local-first option for short, privacy-sensitive, and low-latency tasks, while cloud models still handle the heavier work.

How Skillgym Helps You Verify Agent Skills Still Work After Every Change

See how skillgym tests agent skills across runners, validates behavior, and catches regressions before your users do.

Agent React DevTools: Give AI Agents Access to React Internals

Agent React DevTools gives AI agents access to the React component tree, state, and performance data, enabling deeper debugging and more reliable QA for React and React Native apps.

How We Optimized Agent Device for Mobile App Automation

Discover how we optimized Agent Device to reduce LLM token consumption by over 50% and speed up AI-driven mobile app automation.

How Can I Test My AI Agent Skills Reliably?

Join Kewin Wereszczyński and Szymon Chmal on May 14 to test SkillGym, a tool for verifying whether agent skills work as intended.

Improve Your AI Coding Workflow With Cursor Tips and Tricks

Explore practical tips for working with AI coding agents, managing context, using skills, reviewing code, and choosing the right models.

Build a React Native App With the TanStack Stack

Join Callstack’s live stream on building a React Native app from the ground up using the TanStack toolbelt.

How AI Is Changing React Native Development and Testing

Zack Ebenfeld joins React Universe On Air to talk about how AI is changing React Native workflows, testing, QA, and day-to-day engineering work.

From Teddy Bears to Voice Agents: Kraen Hansen on Voice AI, Local-First & App Security

What happens when you combine voice agents and teddy bears? A hands-on look at local-first systems, voice AI, and security lessons from poking real apps.

Building v0 iOS and Fixing React Native Along the Way

A technical look at building v0 mobile with React Native and Expo, covering iOS-first decisions, native modules, and fixes pushed to React Native core. Featuring Fernando Rojo, Szymon Rybczak, and Oskar Kwaśniewski.

The Hard Way vs. The React Native AI SDK Way: Stop Writing Custom Modules for Every Model

Learn how React Native AI uses a unified provider model to switch between cloud and on-device LLMs without rewriting application logic, enabling reliable AI experiences online and offline.

Build Smarter Apps: Tool Calling & AI Orchestration Explained

Learn how on-device models in React Native can call tools, interact with external APIs, and return structured outputs you can use directly in application logic.

MLC LLM + React Native: On-Device AI Without the Pain

Learn how to run third-party on-device LLMs in React Native using MLC LLM. Choose your models, run them efficiently across platforms, and keep a unified JavaScript API with React Native AI.

February 24, 2026

Intelligent Fallbacks with Apple Intelligence in React Native

Learn how to use Apple’s built-in Foundation Models in React Native apps, reduce memory usage, and enable fast, fully on-device AI with React Native AI Apple.

February 10, 2026

What Is the React Native AI SDK? A Complete Intro & Quickstart

Learn why on-device AI matters for React Native apps, how local LLMs behave offline, and what problems React Native AI is designed to solve from day one.

January 29, 2026

Implementing an Android TurboModule with Kotlin

Learn how to implement a React Native TurboModule on Android, from the TypeScript spec and Codegen to the Kotlin implementation and package registration.

January 19, 2026

Working with Different Threads in Swift TurboModules

Learn how JavaScript, native module, background, and main threads interact in React Native TurboModules, and how to use GCD queues to run async work safely in Swift.

January 9, 2026

How to Add Type-Safe Constants to Swift TurboModules

Learn how to expose typed, immutable constants from a Swift TurboModule using Codegen, and get full end-to-end type safety between native and JavaScript.

December 30, 2025

Adding Event Emitters to Your TurboModule in Swift

Learn how to emit native events from a Swift TurboModule and subscribe to them in JavaScript, including proper memory management and Codegen integration.

December 22, 2025

Writing Your First TurboModule in Swift

Learn how to build a fully working TurboModule in Swift, integrate it with Codegen, and bridge it through Objective‑C inside an Expo app.