--- title: "React & React Native Blog | AI Engineering | Callstack (page 25 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/25 updated: 2026-11-06T10:13:51.208Z --- # React & React Native Blog | AI Engineering | Callstack (page 25 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 25 - [React Native Testing Library 2.0 - What’s New?](https://www.callstack.com/blog/react-native-testing-library-2-0) (Testing, 5/28/2020): React Native Testing Library 2.0 is out with new features to improve testing React Native components. It adds automatic cleanup, async act support, and scoped queries with the within operator. The release also removes some deprecated APIs and improves compatibility with community projects. (by Michał Pierzchala) - [React Native Accessibility: What, Why, and How?](https://www.callstack.com/blog/react-native-accessibility) (Accessibility, 5/18/2020): Accessibility in mobile apps is about enabling equal access for people with disabilities. This guide shares practical tips for implementing accessibility in React Native, from design considerations like color contrast and font readability to testing with screen readers and other assistive tools. (by Łukasz Walczak) - [ReanimatedArc - Build Circular Animated UI Elements in React Native](https://www.callstack.com/blog/reanimatedarc-build-circular-animated-ui-elements-in-react-native) (Animations, 4/15/2020): ReanimatedArc is a new React Native library that makes it easy to build smooth, animated circular UI elements like progress bars, donut charts, and rounded sliders. It combines well with libraries like Reanimated and Gesture Handler to create performant, gesture-driven animations. (by Jakub Mazurek) - [How React Native Development Can Save Your Business in the Time of Coronavirus Pandemic](https://www.callstack.com/blog/how-react-native-development-can-save-your-business-in-the-time-of-coronavirus-pandemic) (Cross-Platform, 4/3/2020): Businesses are facing new challenges due to the coronavirus pandemic. React Native cross-platform development can help quickly build online presence, launch mobile apps, and ship features faster while reducing costs. This guide walks through three common scenarios where React Native brings measurable benefits to adapt in changing times. (by Mike Grabowski) - [React Native CLI 3.1.0 and 4.0.0 - What's New?](https://www.callstack.com/blog/react-native-cli-3-1-0-and-4-0-0-whats-new) (Developer Experience, 2/13/2020): React Native CLI 3.1.0 and 4.0.0 bring exciting improvements to the developer experience. The new watch mode lets you trigger the dev menu or reload right from the command line. Builds are now faster when switching between run-ios and Xcode thanks to a shared cache. Monorepo support is more robust, and several other enhancements make errors clearer and prevent common mistakes. (by Mike Grabowski) - [React Native Testing Library Turns Into Testing Library](https://www.callstack.com/blog/react-native-testing-library-turns-into-testing-library) (Testing, 1/10/2020): React Native Testing Library and Native Testing Library have officially merged into a single library under the Testing Library family. The new @testing-library/react-native package combines the best of both libraries while providing a smooth migration path for existing users. (by Mike Grabowski) - [Secure Your React Native app](https://www.callstack.com/blog/secure-your-react-native-app) (Security, 11/21/2019): Securing sensitive data is critical when building mobile apps. This guide shares practical ways to protect user information in React Native apps, from encrypting passwords and using secure storage to obfuscating code and pinning SSL certificates. (by Adam Trzciński) - [Custom Screen Transitions in React Navigation](https://www.callstack.com/blog/custom-screen-transitions-in-react-navigation) (Animations, 10/25/2019): Implementing custom screen transitions in React Navigation doesn't have to be complicated. This step-by-step guide walks through how to create a custom transition with card rotation, scaling, and an overlay using the stack navigator's interpolation-based API. (by Satyajit Sahoo) - [Callstack + Hacktoberfest = Awesomeness](https://www.callstack.com/blog/callstack-hacktoberfest) (Community, 10/14/2019): Callstack is hosting a Hackathon to help developers contribute to React Native open source projects during Hacktoberfest. Whether you're new to open source or an experienced contributor, join us for guidance, pizza, and stickers as we work together to make an impact on the community. (by Satyajit Sahoo) - [React Native Android Accessibility Tips](https://www.callstack.com/blog/react-native-android-accessibility-tips) (Accessibility, 9/12/2019): Writing accessible React Native apps for Android takes extra care. This guide shares practical tips to fix common issues like inline text links, icon sizes, text input placeholders, header titles, and WebView styling to ensure your app works well for all users. (by Łukasz Walczak) [Previous](https://www.callstack.com/blog/24) · Page 25 of 33 · [Next](https://www.callstack.com/blog/26) 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.