Explore 694 articles on iOS performance
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Instacart shoppers were losing minutes in grocery store dead zones. The culprit? You can't trust device clocks when every second counts.
An Allegro engineer spent weeks hunting a MapKit bug so elusive it disappeared and reappeared randomly across devices. The investigation went from Swift code to assembly to a conversation in San Francisco.
Twitch was dropping frames like crazy. Chat messages were taking 200ms to render when they had just 16.667ms to work with for smooth 60fps video.
Felipe Cypriano from Thumbtack reveals how migrating iOS apps to frameworks nearly derailed their Swift adoption—until they discovered a clever workaround for binary dependencies.
Zalando faced an impossible triangle: daily content updates, premium native UX, and distributed teams without native experience. Their solution? Server-driven UI before it was cool.
Facebook built a 2,000-device testing lab inside a data center. The journey from tangled cables to custom EMI racks is a masterclass in scaling mobile performance testing.
Zalando's iOS team challenges a widely-cited performance myth about UITableView that's been misleading developers for years.
Slack was making 4.2 million users wait through loading screens every single day. Time to fix that.
Dragos Bogdan from Cloudflare tackles Apple's 2016 bombshell: all iOS apps must support IPv6-only networking. Here's why most developers were caught off guard by a protocol that's been around since 1998.
Meta tackled one of iOS development's most painful problems: memory leaks that crash apps and kill performance. They automated the entire detection process.
Martin Konicek reveals how a 2013 hackathon project became a framework that changed mobile development forever. One year after open-sourcing, React Native hit 30,000 GitHub stars and attracted 650+ contributors...
One year after open sourcing React Native, Facebook dropped a bombshell at F8: Microsoft and Samsung are bringing the framework to Windows, Xbox, and SmartTVs. The mobile-first framework just became platform-ag...
LinkedIn's iOS team set an audacious goal: ship to production three times daily, with just three hours from commit to release. Here's how they actually pulled it off.
The React Native team made their app startup twice as fast. Here's how they tackled one of mobile's most critical performance challenges.
React Native just solved one of mobile development's most frustrating problems: losing your app state every time you make a code change. Their new Hot Reloading feature keeps your app running while injecting up...
Skyscanner's test suite had a 99% pass rate. Sounds great, right? Wrong. Those false failures were costing hours of productivity and masking real production issues.
Skyscanner needed to store 1.6 billion weights to rank hotel prices. Their in-memory approach couldn't scale, so they turned to AWS.
Gergely Orosz from Skyscanner reveals how his team went from 0% to 100% Swift adoption in just 8 months—without rewriting a single line of working Objective-C code. Here's their battle-tested playbook.
LinkedIn went from monthly releases to shipping mobile code 3x per day. Here's how they automated their way out of a month-long release cycle.
Tommy MacWilliam from Quora reveals how they A/B test mobile UX without waiting weeks for App Store approval. The secret? A hybrid architecture that lets them iterate at web speed.