Building a Native QR/Barcode Scanner for React Native — New Architecture Ready
Most QR scanner libraries for React Native share the same problems — they're unmaintained, they don't support the New Architecture, or they pull in a …
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The Death of the React Native Bridge: Moving from JSON to JSI in 2026
What is the Native Bridge? The React Native Bridge is a communication layer that allows the JavaScript thread and the Native threads (iOS/Android) to …
I Built 4 Real Mobile Apps With No Coding Background — Here's the Exact Workflow
I quit learning to code three times. Not because I wasn't motivated. I had app ideas I genuinely wanted to build. I bought courses, watched tutorials,…
This Week In React #283: TanStack, RSC, Liquid DOM, Performance| Expo, Reanimated, worklets, NativeScript | TC39, npm, pnpm, Node.js
Hi everyone, Seb and Jan here 👋! This week we have great deep dive blog posts about data fetching (TanStack vs Next.js) and performance (GitHub and Li…
tapflow v0.3.x: Deeplinks, Keyboard Shortcuts, Screenshot API, and an Experimental MCP Server
Deeplink execution from the browser The one that came up most in real usage: testers frequently need to trigger deeplinks to verify specific app state…
Control SwiftUI and Compose State Synchronously with Worklets in Expo UI
React Native developers have long dealt with the friction of bridging JavaScript with native UI threads. Every time you need to update native state, y…
Our first app is finally live on the Play Store after 4 months of hard work
Hey everyone 👋 After 4 months of development, testing, redesigns, debugging, deployment issues, and lots of learning — we finally launched our first a…
1 RN Thing a Day – Day 14: Predicate & Effect Patterns in React Native
The easiest way to think about it is: Predicate = Watch for something Effect = Do something when it happens Example: predicate: Is someone entering th…
The PKCE "Gotcha" in Expo’s exchangeCodeAsync
Setting up authentication in React Native usually leads you straight to expo-auth-session . It’s the standard for a reason—it handles the heavy liftin…
The 114KB Span Attribute That Hid Our LCP Data
A React Native WebView debugging story about LCP, data URLs, and trace attributes We recently ran into a strange Sentry performance issue in a React N…
Strengthening Ride Matching, Notifications, and Schedule Management
For our last week, focused on improving session persistence and preparing GusLift for broader platform support. This week, we continued improving the …
Expo SDK 56
Originally published on expo.dev/changelog By Alan Hughes, Brent Vatne Today we're announcing the release of Expo SDK 56. SDK 56 includes React Native…
Dynamsoft Barcode SDK: Build Mobile Barcode Scanners with React Native, Flutter, and .NET MAUI
Choosing the right cross-platform framework for a mobile barcode scanning app means weighing API ergonomics against rendering performance and develope…
Building an AI-Powered Supply Chain Platform with FastAPI, React Native, and Data Science
Introduction A couple of weeks ago, I built a full-stack mobile and AI-powered supply chain optimization app designed to simulate the real world. The …
How We Keep Mobile Session Replay 17x Cheaper Than PostHog
How We Keep Mobile Session Replay 17× Cheaper Than PostHog PostHog bills around $85/month for 25,000 sessions . Rejourney bills $5/month . At higher v…
How to keep your OTA updates lean and fast
Originally published on expo.dev/blog by Jacob Clausen. Have you ever shipped a critical fix to your entire user base within minutes of merging the PR…
This Week In React #281 : Next.js, TanStack, Security, Redact | Redraw, Expo, Tabs, Screens | TC39, Rolldown, Node
Hi everyone, Seb and Jan here 👋! This week, security is making headlines, as two major React frameworks have announced vulnerabilities and compromised…
OWASP Mobile Top 10 for React Native Fintech Apps: A Practical Implementation Checklist
TL;DR The OWASP Mobile Top 10 isn't abstract theory — it's the exact list pen testers use to fail your app. Here's the cheat sheet: M1 — stop storing …
iOS App Store Screenshots and Compliance: The Gotchas After Your Build Succeeds
This article was originally published on Jo4 Blog . Your EAS build succeeded. The IPA uploaded to App Store Connect. Time to submit for review, right?…
1 RN Thing a Day – Day 13: Redux Thunk
What Is Redux Thunk? Redux Thunk is a middleware for Redux that allows you to write action creators that return a function instead of a plain action o…
I Was Tired of Writing the Same Firebase Auth Boilerplate in Every React Native App — So I Built FireGuard
How I went from copying and pasting 300 lines of auth code across projects to a single npm package that handles everything — protected routes, role-ba…
Build a Fitness Wearable Companion App with React Native (HealthKit + Health Connect)
You bought a smartwatch. Within a week, you stopped checking the watch face. The dashboard, the streaks, the weekly chart — all of that lives on the p…
Why I Started Using react-native-unistyles in My React Native Apps
Styling in React Native looks simple in the beginning. We all start with StyleSheet.create(), add some inline styles, and everything works fine for sm…
Awesome React Native Skills: Claude Skills for Modern Mobile Dev
awesome-react-native-skills is a curated set of Claude Skills for building production-grade React Native apps in 2026. Each skill is a self-contained …
This Week In React #280 : TanStack, Remotion, React Router | Expo Go, Ease, Screen Transitions, LegendList| Node.js, Datatype, tsz, Astro
Hi everyone, Seb and Jan here 👋! It’s another quiet week in React, but there’s still plenty of interesting links to check out about the TanStack and p…
5 React Native Errors That Cost Me Hours (And How I Finally Fixed Them)
When I started building my React Native app, I thought the hard part would be designing the app itself. Turns out, debugging the environment was the r…
Why Senior Architects are Banning AI from their Learning Stack
In 2026, the software industry is fiercely obsessed with one metric: velocity. We now have generative tools capable of scaffolding an entire Flutter C…
The most frustrating bug I hit this week (React Native + Expo)
I’m currently stuck on a React Native issue that’s honestly driving me a bit crazy. The situation: My app won’t render at all on my phone. Just a blan…
I built my own IAP backend instead of using RevenueCat — what 3 weeks of pain taught me
I'm shipping a subscription-based React Native app and went through the "do I use RevenueCat or roll my own?" question that probably every solo RN dev…
Virtual Dom Explained in React
When we start learning JavaScript, we often come across a concept known as DOM (Document Object Model). We know that browsers use the DOM to render co…