Explore 715 articles on iOS performance
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Meta's Engineering blog just hit a 404. Sometimes even the biggest tech companies deal with broken links and content migrations.
Cash App just open-sourced Turbine 1.0, solving one of the trickiest parts of Kotlin coroutines: testing Flows without the headache.
Swiggy was bleeding money on video bandwidth costs. The culprit? Videos being requested at 270px, 272px, 275px... you get the idea.
Glance's engineering team scaled their load testing from basic scripts to a full Kubernetes-powered distributed system. Here's how they did it with Locust.
Timotius Leonardo Lianoto from IDN Engineering discovered his iOS app was reporting 13 MB for a 2.8 MB photo. The culprit? A common mistake thousands of developers make when calculating image file sizes.
Bevan Christian from IDN Engineering tackles a problem every mobile team faces: beautiful Lottie animations that bloat your app size. His solution? On-Demand Resources that cut initial download size while keepi...
Timotius Leonardo Lianoto from IDN Media discovered their livestream gift animations were silently eating memory with every play. Even following Lottie's official docs didn't prevent the leak.
Patrick Tyska and Terry Yiu from Cash App reveal how the same $1,000 needs to display four different ways across their app. Their solution? Kotlin Multiplatform to consolidate 10 separate money formatters into ...
Instagram engineers were losing hours every day waiting for code to compile. So they brought React Native's ⌘R instant refresh experience to native iOS.
Md Al Mamun and Michael Thole from DoorDash reveal how their 100+ engineer iOS team eliminated project merge conflicts entirely. The secret? A command-line tool that turns hours of painful XML debugging into se...
Anatole Beuzon and Bowen Chen from Datadog turned what seemed like a simple deployment alert into a months-long debugging odyssey. What they uncovered reveals how deceptively complex network latency issues can ...
Aliou Sarr from leboncoin reveals how shifting UI test ownership from QA to developers doubled their test count in under a year. The result? A 99.6% crash-free iOS app serving 28 million monthly users.
Swiggy was missing production deadlines because their UAT environments were constantly unstable or unavailable. Sound familiar?
Leigha Jarett from Flutter reveals how Google's cross-platform framework is becoming a serious contender for iOS development. With over 1 million apps built and major players like BMW and WeChat on board, the i...
Robinhood was taking weeks and multiple engineers just to make minor UI tweaks. Their Server Driven UI platform cut that to hours with one engineer.
Michael Bachand and Xianwen Chen from Airbnb rebuilt their entire iOS CI system—and cut maintenance time while running 10 million minutes of jobs quarterly. Here's how they ditched 300+ physical Macs for AWS in...
Timothy Hoang from Google just dropped major updates to Flutter's mobile ads plugin. If you've been writing platform code just to customize native ads, that pain point is officially solved.
Uber's iOS app startup metrics became 130% inflated overnight. The culprit? iOS 15's pre-warming feature broke their entire measurement system.
Meta serves billions of users with wildly inconsistent audio uploads. Their solution? A codec that adapts audio quality in real time without burning in compression.
Spotify Wrapped serves 150M+ users in a single morning. How do you load test for that kind of thundering herd?