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Build Expo apps with React Native 0.76-0.82+ and SDK 52-55, navigating mandatory New Architecture, React 19 changes, and 16 documented breaking changes. \n \n Covers React Native 0.82+ where New Architecture is mandatory and legacy architecture completely removed; includes interop layer guidance for 0.76-0.81 migration path \n Addresses 16 specific breaking changes including propTypes removal, forwardRef deprecation, Swift iOS template migration, Metro log forwarding removal, and Chrome debugger

Modern React state management with Redux Toolkit, Zustand, Jotai, and React Query for every state category. \n \n Covers five state types: local component state, global state, server state, URL state, and form state, with recommended solutions for each \n Includes complete TypeScript patterns for Redux Toolkit slices, Zustand with scalable slice architecture, Jotai atomic state, and React Query with optimistic updates \n Demonstrates combining client state (Zustand) with server state (React Quer

Software Mansion's production patterns for React Native apps on the New Architecture.

react-19

45 React and Next.js performance rules organized by impact, from eliminating waterfalls to advanced patterns. \n \n Covers 8 priority categories spanning async optimization, bundle size, server/client data fetching, re-renders, rendering, JavaScript performance, and advanced patterns \n Each rule includes explanation, before/after code examples, and context; rules prefixed by category (e.g., async- , bundle- , server- ) for easy reference \n Prioritizes critical issues like waterfall elimination

React useEffect best practices guide covering when to use Effects and superior alternatives. \n \n Teaches the escape-hatch nature of Effects: use only for synchronizing with external systems, not for derived state, expensive calculations, or user event responses \n Provides a decision tree and quick-reference table mapping common situations (data fetching, state derivation, prop changes) to the correct React pattern \n Covers when NOT to use Effects: transforming data for render, handling user

GSAP integration for React with lifecycle-aware hooks, ref patterns, and automatic cleanup. \n \n useGSAP hook handles component lifecycle, scoped selectors, dependency tracking, and automatic animation cleanup on unmount \n Supports single and multiple element refs, dynamic lists, and timeline management with play/pause/restart controls \n contextSafe wrapper for event handlers ensures animations respect React's context and prevent memory leaks \n Includes ScrollTrigger integration, custom anim

Type-safe validated forms with React Hook Form v7 and Zod v4, single schema for client and server. \n \n Combines uncontrolled registration with Zod schema validation and full TypeScript inference via z.infer ; supports dynamic fields, multi-step wizards, and conditional validation patterns \n Includes resolver setup, error handling, useFieldArray for dynamic lists, and Controller integration for third-party components \n Documents 20 known issues and workarounds, including large-form performanc

Principles for building production-ready React applications.

Create robust cross-platform mobile applications using React Native with modern development patterns including navigation, state management, API integration, and native module handling.