--- title: "React & React Native Blog | AI Engineering | Callstack (page 21 of 33)" description: "Read practical articles on React, React Native, cross-platform development, and AI workflows from Callstack engineers building the tools and products." url: https://www.callstack.com/blog/21 updated: 2026-11-06T10:13:51.208Z --- # React & React Native Blog | AI Engineering | Callstack (page 21 of 33) Read practical articles on React, React Native, cross-platform development, and AI workflows from Callstack engineers building the tools and products. Articles ## Articles for developers, by developers Technical articles on React, React Native, and AI engineering. We share what we learn from building products, maintaining open source, and putting agents to work across software delivery. ### Featured - [Building a Software Factory: Write Specs an Agent Can Build From](https://www.callstack.com/blog/building-a-software-factory-write-specs-an-agent-can-build-from) (AI, 11/6/2026): Szymon Chmal uses a Simlock device-cleanup feature to explain how he plans work for coding agents. Follow the process from code research and product decisions to testable tasks, independent specification checks, and human approval. (by Szymon Chmal) ### Articles, page 21 - [How to Pick the Right External JavaScript Libraries for Your React Native App](https://www.callstack.com/blog/external-javascript-libraries-for-react-native) (Developer Experience, 12/25/2021): Choosing the right JavaScript libraries is key to building fast, performant React Native apps. This guide shares practical tips for being selective about dependencies, analyzing bundle size impact, and using smaller specialized libraries to reduce load times. (by Hur Ali) - [How to Achieve 60FPS Animations in React Native](https://www.callstack.com/blog/60fps-animations-in-react-native) (Performance, 12/23/2021): Smooth 60FPS animations are crucial for a great user experience in React Native apps. This guide shares practical techniques to achieve performant animations, including using the native driver, gesture-driven animations with React Native Gesture Handler and Reanimated, and giving JS operations lower priority. (by Hur Ali) - [Optimize React Native Apps' Battery Drain With Mobile-Dedicated Libraries](https://www.callstack.com/blog/optimize-battery-drain-in-react-native-apps) (Performance, 12/21/2021): React Native gives you freedom to build apps with JavaScript, but not all libraries are optimized for mobile. Using non-mobile libraries can drain battery and slow performance. This guide shares tips for choosing mobile-first libraries that deliver fast, efficient experiences without compromising battery life. (by Mike Grabowski) - [How to Debug Faster and Better with Flipper](https://www.callstack.com/blog/debugging-with-flipper) (Developer Experience, 12/20/2021): Debugging React Native apps can be challenging, as issues may occur in JavaScript or native code. This guide shows how to use Flipper, a comprehensive debugging platform, to handle common tasks like inspecting network requests, tracking crashes, and previewing logs in one place - making the process faster and more enjoyable. (by Jakub Mazurek) - [How to Choose Tools Wisely and Build Fast-Working React Native Apps](https://www.callstack.com/blog/find-the-balance-between-native-and-javascript) (Performance, 12/20/2021): Building fast React Native apps requires finding the right balance between native code and JavaScript. This guide shares best practices for optimizing communication over the bridge, validating arguments, and keeping abstractions on the JS side to improve performance and maintainability. (by Mike Grabowski) - [How Can Continuous Integration (CI) Improve Your React Native Apps?](https://www.callstack.com/blog/how-continuous-integration-can-improve-react-native-apps) (CI/CD, 12/13/2021): Continuous Integration (CI) can help React Native teams ship faster and with more confidence. By automating builds and tests, CI provides quick feedback on code changes, catches regressions early, and reduces manual testing effort. This article explores how to set up CI for React Native apps using popular tools like CircleCI and EAS Build. (by Mike Grabowski) - [Stripe React Native Configuration - Tipsi Migration Guide, Part 2](https://www.callstack.com/blog/stripe-react-native-library-configuration) (Open Source, 12/6/2021): Migrating from tipsi-stripe to the official Stripe React Native SDK? This guide walks through the key steps to remove tipsi-stripe, add stripe-react-native, and initialize the new library using the StripeProvider component. (by Jakub Kłobus) - [Optimize Your Android Application’s Size With Gradle Settings](https://www.callstack.com/blog/optimize-android-application-size-with-gradle-settings) (Android, 12/5/2021): Optimizing your Android app's size is crucial for faster downloads, shorter startup times, and better user experience. This guide shares practical Gradle settings to reduce APK size, like enabling Proguard to remove unused code and building separate APKs per CPU architecture. (by Szymon Rybczak) - [How Can Higher-Order Components Improve Performance of React Native Apps?](https://www.callstack.com/blog/improve-react-native-performance-with-higher-ordered-components) (Performance, 12/5/2021): Higher-order components like FlatList and FlashList can significantly boost performance in React Native apps compared to basic components like ScrollView. We explore how they optimize rendering and layout measurement for long lists, and share tips to get the smoothest 60FPS scrolling. (by Mike Grabowski) - [How to Optimize Your Android App Startup Time With Hermes](https://www.callstack.com/blog/optimize-android-app-startup-time-with-hermes) (Hermes, 12/4/2021): Hermes is a JavaScript engine optimized for mobile that can significantly improve your React Native app's startup time. By generating bytecode during build time and avoiding just-in-time compilation, Hermes reduces the time needed to execute your app's logic. Enabling Hermes is a simple configuration change that can lead to a faster, more responsive user experience. (by Mike Grabowski) [Previous](https://www.callstack.com/blog/20) · Page 21 of 33 · [Next](https://www.callstack.com/blog/22) Hire us ## Need React, React Native, or AI engineering expertise? Bring in senior engineers to build your product, solve technical challenges, or put agents to work across delivery. [Book consultation](https://www.callstack.com/contact) Insights ## Your next read or watch starts here Explore articles, interviews, and demos on React, React Native, and AI engineering, with lessons from the people building the tools. [View all](https://www.callstack.com/insights) - [Building a Software Factory: Write Specs an Agent Can Build From](https://www.callstack.com/blog/building-a-software-factory-write-specs-an-agent-can-build-from) (Nov 6 · Article): Learn how to research requirements, resolve open decisions, and write testable specs that AI coding agents can implement without the planning conversation. - [ Large-Scale Migrations With Coding Agents: Planning, Verification, and Rollback](https://www.callstack.com/blog/large-scale-migrations-with-coding-agents-planning-verification-and-rollback) (Nov 4 · Article): Plan codebase migrations with coding agents using reviewable requirements, verification checks, staged rollouts, and defined rollback criteria. - [Conversational Banking: From Customer Questions to Authorized Actions](https://www.callstack.com/blog/conversational-banking-from-customer-questions-to-authorized-actions) (Nov 2 · Article): Explore conversational banking architecture through a card-dispute example, covering tool access, authorization, execution, observability, and human handoff. - [How AI Agents Can Cut Manual QA by 30%](https://www.callstack.com/blog/how-ai-agents-can-cut-manual-qa-by-30) (Oct 30 · Article): Explore an agentic QA workflow targeting 30% less manual effort across mobile, web, and TV, with test selection, failure triage, and validation. - [Building a Software Factory: The Night My Agents Waited for Me](https://www.callstack.com/blog/building-a-software-factory-the-night-my-agents-waited-for-me) (Oct 28 · Article): Learn how permissions, review limits, and missing product decisions stalled two overnight coding agent runs, and how their maintainer revised the workflow. - [Your AI Coding Agent Still Needs an Architecture](https://www.callstack.com/blog/your-ai-coding-agent-still-needs-an-architecture) (Oct 22 · Article): Use explicit contracts, behavior tests, and dependency checks to guide AI coding agents and review their changes through a TypeScript favorites example. - [Who Left the Agents Running? React Native Software Factories](https://www.callstack.com/events/who-left-the-agents-running-react-native-software-factories) (Oct 15 · Live Stream): Join Kewin Wereszczyński and Szymon Chmal to explore what can go wrong in a React Native software factory overnight and the controls that keep agents on track. - [When Coding Gets Faster, What Breaks Next?](https://www.callstack.com/podcasts/when-coding-gets-faster-what-breaks-next) (Oct 14 · Podcast): Matt Hargett explains how AI moves bottlenecks across testing, deployment, infrastructure, support, and the rest of software delivery. - [MCP and Supervisor Agents in eBay's Monitoring Workflow With Leonel Candido da Silva](https://www.callstack.com/podcasts/mcp-and-supervisor-agents-in-ebays-monitoring-workflow-with-leonel-candido-da-silva) (Oct 13 · Podcast): Leonel Candido da Silva explains eBay's agentic monitoring workflow: specialized agents, MCP, PagerDuty reports, and plans to learn from past incidents. - [AI Agent Observability With Ivana Huckova and Sven Großmann](https://www.callstack.com/podcasts/ai-agent-observability-with-ivana-huckova-and-sven-grossmann) (Oct 12 · Podcast): Grafana's Ivana Huckova and Sven Großmann discuss AI agent observability, coding-agent costs, PR analytics, secret redaction, and local guardrails. - [Automating Mobile QA with Cloud Agents](https://www.callstack.com/events/automating-mobile-qa-with-cloud-agents-2) (Oct 7 · Talk): Michał Pierzchała shows how cloud-based QA agents can test real iOS and Android user flows and bring screenshots, recordings, and logs into pull requests. - [Can Jev Make AI Agent Decisions Faster?](https://www.callstack.com/events/can-jev-make-ai-agent-decisions-faster) (Oct 1 · Live Stream): Explore Jev with Kewin Wereszczyński and Szymon Chmal: how it works, its approach to faster agent decisions, and possible local alternatives. - [The Hard Way vs. The React Native AI SDK Way: Stop Writing Custom Modules for Every Model](https://www.callstack.com/tutorials/the-hard-way-vs-the-react-native-ai-sdk-way-stop-writing-custom-modules-for-every-model) (Mar 19 · Tutorial): 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](https://www.callstack.com/tutorials/build-smarter-apps-tool-calling-ai-orchestration-explained) (Mar 12 · Tutorial): 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](https://www.callstack.com/tutorials/mlc-llm-react-native-on-device-ai-without-the-pain) (Mar 5 · Tutorial): 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. - [Intelligent Fallbacks with Apple Intelligence in React Native](https://www.callstack.com/tutorials/intelligent-fallbacks-with-apple-intelligence-in-react-native) (Feb 24 · Tutorial): 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. - [What Is the React Native AI SDK? A Complete Intro & Quickstart](https://www.callstack.com/tutorials/what-is-the-react-native-ai-sdk-a-complete-intro-quickstart) (Feb 10 · Tutorial): 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. - [Implementing an Android TurboModule with Kotlin](https://www.callstack.com/tutorials/implementing-an-android-turbomodule-with-kotlin) (Jan 29 · Tutorial): Learn how to implement a React Native TurboModule on Android, from the TypeScript spec and Codegen to the Kotlin implementation and package registration. - [Working with Different Threads in Swift TurboModules](https://www.callstack.com/tutorials/working-with-different-threads-in-swift-turbomodules) (Jan 19 · Tutorial): 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. - [How to Add Type-Safe Constants to Swift TurboModules](https://www.callstack.com/tutorials/how-to-add-type-safe-constants-to-swift-turbomodules) (Jan 9 · Tutorial): 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. - [Adding Event Emitters to Your TurboModule in Swift](https://www.callstack.com/tutorials/adding-event-emitters-to-your-turbomodule-in-swift) (Dec 30 · Tutorial): Learn how to emit native events from a Swift TurboModule and subscribe to them in JavaScript, including proper memory management and Codegen integration. - [Writing Your First TurboModule in Swift](https://www.callstack.com/tutorials/writing-your-first-turbomodule-in-swift) (Dec 22 · Tutorial): Learn how to build a fully working TurboModule in Swift, integrate it with Codegen, and bridge it through Objective‑C inside an Expo app.