Articles about Expo development platform
View All TagsWe have completed a major update across the current Instamobile React Native templates. The new baseline is TypeScript-first, aligned with the latest React Native and Expo ecosystem direction, and documented with a cleaner path from setup to production verification.
This stretch has been one of the busiest periods the React Native ecosystem has seen in years. The important changes are not limited to framework releases. They also affect build pipelines, performance tooling, Expo workflows, and the platform requirements that determine whether your app can ship at all.
If you are building or maintaining a production app, these are the updates worth tracking first.
Mobile app development traditionally requires extensive coding, UI/UX design, and many hours of work. But with modern AI app builders you can generate polished, native React Native/Expo apps in minutes. This post shows how I used Rork — an AI mobile app generator — to produce 8 complete React Native templates quickly. If you're searching for "React Native app builder", "AI mobile app generator", or "generate native apps", this guide gives concrete examples, file structures, and a fast way to start building.
Galio is a UI toolkit and component framework for React Native that provides a consistent set of ready-made, themeable building blocks (buttons, cards, text, inputs, nav bars, etc.) so you can prototype and ship mobile UIs faster. The galio repository includes the core components and a lightweight theme system in src/theme (see colors.tsx, sizes.tsx, index.tsx) plus components under src/ such as Block, Button, Text, Input, Card, Avatar, NavBar and more.
Learn more on the official site: galio.io and browse the source and examples on GitHub: github.com/galio-org/galio.
Network bugs in React Native usually fall into a few categories: the request never leaves the device, the server rejects it, the response shape is different from what the app expects, or the UI keeps using stale data. The fastest way to debug them is to inspect the request, log safely, reproduce on the platform that fails, and verify the server-side trace.
Older Android phones expose every expensive choice in a React Native app: heavy startup work, oversized images, slow lists, chatty network calls, JS-thread animations, and debug-only assumptions. The goal is not to chase one magic setting. The goal is to measure on real hardware, reduce work on the critical path, and ship a release build that keeps memory, CPU, and frame time under control.
React Native upgrades are safest when you treat them as a controlled migration, not a package bump. The work spans JavaScript dependencies, native iOS and Android project files, Expo modules, build tooling, runtime versions, and QA. This guide gives you an evergreen upgrade path that works for bare React Native apps, Expo apps, and production templates.
Most production React Native apps talk to at least one REST API: auth, profiles, feeds, search, orders, payments, media, notifications, analytics, or admin workflows. The important decision is not whether you use Fetch or Axios. The important decision is whether every request goes through a typed, observable, cancellable, and secure API layer.
Memory leaks in React Native usually come from resources that outlive the screen that created them: timers, subscriptions, unresolved requests, sockets, navigation listeners, heavy lists, image caches, and native module handles. The fix is not a single package. It is a repeatable loop: reproduce the leak, profile it in a realistic build, remove the retained reference, and verify that memory returns to a stable baseline.
FlatList is fast when each row is cheap, keys are stable, virtualization is tuned for the screen, and the data layer avoids unnecessary re-renders. It becomes slow when rows contain heavy images, anonymous render functions, unstable item references, eager API calls, and too many mounted views. This guide focuses on practical fixes you can apply to production feeds, chats, catalogs, and marketplace screens.