--- title: "React & React Native Blog | AI Engineering | Callstack (page 23 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/23 updated: 2026-11-06T10:13:51.208Z --- # React & React Native Blog | AI Engineering | Callstack (page 23 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 23 - [Technical Guide, Part 1: Compiling Hermes for Apple Platforms](https://www.callstack.com/blog/technical-guide-compiling-hermes-for-apple-platforms) (Hermes, 5/26/2021): Compiling Hermes for iOS involves configuring CMake to target Apple platforms and architectures. This guide walks through the key steps, from setting up the build pipeline to creating a universal framework that works seamlessly on both devices and simulators. (by Mike Grabowski) - [Hermes Performance on iOS](https://www.callstack.com/blog/hermes-performance-on-ios) (Hermes, 4/21/2021): React Native 0.64 brings Hermes, a new JavaScript engine, to iOS. We tested it on a real-world app to see how it compares to the default JSC engine. The results? Hermes made the app start up to 40% faster, especially on older devices. (by Jakub Kłobus) - [Bringing Hermes to iOS in React Native 0.64](https://www.callstack.com/blog/bringing-hermes-to-ios-in-react-native) (Hermes, 4/14/2021): React Native 0.64 brings Hermes, a JavaScript engine optimized for mobile apps, to iOS for the first time. We walk through the technical details of how the Callstack team worked with Facebook and Microsoft to compile Hermes for Apple platforms and integrate it with React Native. (by Mike Grabowski) - [Grow Your Business With React Native SDK Wrapper](https://www.callstack.com/blog/grow-your-business-with-react-native-sdk) (React Native, 2/3/2021): Integrating your SDK with React Native can open up new opportunities for your business. This guide explores how creating a React Native wrapper for your SDK can help you reach more developers, speed up integration, and provide a better experience for your customers. (by Krzysztof Wróblewski) - [Q&A Sessions From React Native EU 2020](https://www.callstack.com/blog/qa-sessions-from-react-native-eu-2020) (Community, 11/27/2020): This article shares key insights from the Q&A sessions at React Native EU 2020. Engineers from Facebook, Microsoft, and other top companies discuss the latest updates to React Native architecture, cross-platform development, and tips for optimizing app performance. (by Krzysztof Wróblewski) - [Testing React Native Apps in the Cloud - Part 2](https://www.callstack.com/blog/testing-react-native-apps-in-the-cloud-part-2) (Testing, 10/29/2020): Tired of waiting for tests to run on your local machine? This guide walks through how to set up cloud testing for React Native apps using XCUITest and AppCenter. You'll learn how to create test suites, submit your app, and verify the results across multiple devices. (by Mike Grabowski) - [Testing React Native Apps In the Cloud - Part 1](https://www.callstack.com/blog/testing-react-native-apps-in-the-cloud-part-1) (Testing, 10/22/2020): Testing React Native apps on real devices can be challenging, especially for rare or older models. Cloud testing services like Microsoft's AppCenter allow you to easily run tests on hundreds of iOS and Android devices in parallel, without needing physical devices. This guide walks through how to set up a React Native project and configure AppCenter to run tests in the cloud using native frameworks like XCUITest. (by Mike Grabowski) - [React Native EU 2020 Virtual Edition - Summary](https://www.callstack.com/blog/react-native-eu-2020-virtual-edition-summary) (Community, 9/10/2020): React Native EU 2020 brought together nearly 6000 developers from around the world for two days of live-streamed talks on React Native. The virtual conference featured 24 speakers sharing insights on topics like performance, testing, GraphQL, and the new React Native architecture. (by Krzysztof Wróblewski) - [How Can React Native Paper Help Startups and Enterprises?](https://www.callstack.com/blog/react-native-paper-for-startups-and-enterprises) (Enterprise, 8/27/2020): React Native Paper is a UI component library that helps startups and enterprises build beautiful, accessible apps faster. It provides 30+ customizable components that follow Material Design guidelines, support theming and RTL languages, and integrate with React Navigation. (by Łukasz Walczak) - [12 Rules and Approaches of Code Writing for Beginners](https://www.callstack.com/blog/12-rules-and-approaches-of-code-writing-for-beginners) (Scalability, 8/13/2020): Writing clean, readable code is essential for developers at any level. This guide shares 12 practical rules to help you structure code logically, use consistent naming conventions, and make your projects easier to read, test, and maintain over time. (by Mariia Marchenkova) [Previous](https://www.callstack.com/blog/22) · Page 23 of 33 · [Next](https://www.callstack.com/blog/24) 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.