Explore 662 articles on iOS performance
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Bumble's iOS team migrated their entire codebase to Tuist in Q2 2023, choosing it over SPM and Bazel. Here's what happened after the dust settled.
Kari Grooms from Vrbo's iOS team discovered SwiftUI wasn't just a learning curve—it was a complete rethink of how to build mobile UIs. Her team's migration revealed surprising gotchas that most tutorials won't ...
DoorDash's OpenTelemetry adoption hit a wall: 72% CPU utilization versus 56% without tracing. That's a costly tax for observability.
Karoy Lorentey from Apple's Swift team just dropped three game-changing data structures that could make your Swift code faster and more reliable. Array and Dictionary aren't enough anymore.
Dmitri Fuerle from OkCupid reveals how their team cut clean build times to under a minute by modularizing their iOS codebase. The secret? Swift Package Manager in a monorepo setup.
Bumble's iOS team faced a critical choice: which build system could handle hundreds of modules and future growth without crushing developer productivity?
Jaclyn Karnowski from Airbnb reveals how they transformed 45 engineers into mobile developers in just 14 days. The confidence shift? 15% to 90% ready to ship production code.
"My app is slow" - every engineer's nightmare. Slack's mobile team was tired of hitting dead ends when debugging performance issues.
AWS Amplify just shipped CDN caching improvements that delivered a 98% reduction in response times for static assets. Cookie handling was the culprit.
Alexander Kulabukhov from Bumble reveals how his team scaled from a monolithic iOS app to 110+ modules across Badoo and Bumble. The journey wasn't just about splitting code—it was about building a sustainable p...
Cash App open sourced a tool that solves one of iOS debugging's most frustrating problems: crashes that you can't reproduce locally.
Oleg Tsibulevskiy from Just Eat Takeaway breaks down why choosing the wrong data structure could be killing your iOS app's performance. Spoiler: Arrays aren't always the answer.
React Native 0.64 just brought Hermes to iOS, and it's a game-changer for app performance. The team is finally closing the gap between Android and iOS optimization.
Pinterest sends 1 million CI build events to Honeycomb daily. Here's how they turned that data into a competitive advantage for mobile development.
Walmart's engineering team reveals how observability tracing transformed their CI/CD pipeline reliability. The secret? Treating data requests like package tracking.
David Phan from DoorDash reveals how they rebuilt two distinctly branded iOS apps from a single codebase after acquiring Caviar. The result? 90% shared code with completely different user experiences.
Keith Smiley from Lyft just announced something that could change how we all build mobile apps. Instead of every company rebuilding the same infrastructure in silos, major tech players are finally collaborating...
Uber's iOS app was bleeding users: every time it crossed Apple's download limit, they lost 10% of installations and 20% of first-time bookings.
Israel Abramov from Just Eat Takeaway tested 10 JSON serialization libraries across 8 scenarios. The results? Your default serializer might be costing you serious performance.
Gary Tokman shows how to build Tinder's signature swipe animation in SwiftUI—and it takes less than 10 minutes. No complex gesture handling, no hours of UIKit code, just declarative SwiftUI magic.