Explore 694 articles on iOS performance
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Airbnb's SwiftUI features were re-rendering way more than they should. The culprit? SwiftUI's hidden diffing algorithm was working against them.
Callstack explores how React Native is becoming the unexpected bridge between traditional mobile development and the Web3 ecosystem. Building decentralized apps just got a lot more practical.
Apple's Password Monitoring team just shared something remarkable: they rewrote their entire backend service from Java to Swift and the results are staggering. This isn't a client-side migration story—it's bill...
Majid Jabrayilov explores how microapps architecture can solve the scaling nightmare that plagues large iOS codebases. His approach turns monolithic apps into composable, independently testable modules.
Maxwell Elliott and Connor Wybranowski from Tinder turned what seemed like a 12-year project into a 6-month sprint. Their secret? Letting the compiler do the heavy lifting instead of manually untangling 150,000...
Tripadvisor's iOS team was drowning in coordinator spaghetti. Navigation paths were impossible to trace, and even senior engineers couldn't debug their own flows.
Braulio Ríos built a production-ready guitar tuner app using React Native that processes audio in real-time with near-native performance. Here's how he combined TypeScript, C++, Swift, and Kotlin to solve a pro...
Jacob Bartlett from Jacob's Tech Tavern puts SwiftUI scroll performance under the microscope. Can it really hit 120fps with complex infinite feeds, or does the magic come at too high a cost?
Swift just made a major statement at FOSDEM 2025, and it's not just about iOS anymore. The language is pushing hard into memory safety, embedded systems, and even Java interoperability.
Kcrdissanayake from PickMe Engineering breaks down a critical choice every Swift developer faces: how to safely manage shared state across threads without killing performance.
Spotify ships weekly releases to 675 million users across iOS and Android. Here's how they balance speed with quality at that scale.
Swift 6.1 just dropped with some seriously practical upgrades. If you've been wrestling with concurrency boilerplate or data-race safety warnings, this release is for you.
Timotius Leonardo Lianoto from IDN Engineering just solved a problem most iOS teams don't even realize they have: Remote Config is quietly eating memory and creating testing nightmares.
While web developers enjoy Claude integration and free Copilot, iOS developers are stuck with Xcode's basic code prediction. The tooling gap is getting embarrassing.
Careem was losing weeks waiting for app releases just to update a banner. During Ramadan, when customer behavior shifts daily, that delay was killing their food business.
Wealthfront's iOS team cut E2E test time in half with just 40 lines of code. The culprit? A 1-second polling interval nobody questioned.
Kcrdissanayake from PickMe Engineering reveals why SwiftUI's AppStorage is a security risk for sensitive data. Their solution? A custom property wrapper that encrypts everything before it hits storage.
Skyscanner was drowning in observability chaos: multiple vendors, fragmented tools, and engineers losing confidence in their ability to debug production issues.
PickMe rebuilt their entire iOS app from Objective-C to SwiftUI in just 6 months. Here's how a team that started with 1 developer scaled to 10 engineers and shipped a complete rewrite.
Callstack reveals how to bridge SwiftUI's modern declarative views directly into React Native apps. This is the integration pattern brownfield teams have been waiting for.