52 articles on Developer Tools for iOS performance

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Alastair Houghton from Apple's Swift runtime team just dropped a game-changer for debugging: Swift 5.9 now catches crashes and lets you inspect them interactively before your program dies.

What's New in Swift 5.9 Debugging

Company: Swift.org Blog · Sep 28, 2023
Platform: iOS / Desktop

Adrian Prantl, Augusto Noronha, and Dave Lee from Apple's Debugger Compiler Integration team just made debugging Swift apps significantly faster. If you're still using the old `p` and `po` commands the same way...

Introducing Swift HTTP Types

Company: Swift.org · Jul 10, 2023
Platform: iOS

Apple just open-sourced Swift HTTP Types, and it's about to change how iOS and server-side Swift developers handle HTTP. No more converting between URLRequest and SwiftNIO types.

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...

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...

Flexible Continuous Integration for iOS

Company: Airbnb · May 10, 2023
Platform: iOS

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.

Liang Ma and Wei Zhu from Pinterest built a JSON logging system that catches production issues hours before traditional metrics even notice. Here's how they gave mobile teams real-time visibility into 300 billi...

Ting Becker and Paul Hudson curated the best property wrapper resources from the Swift community. If you're still writing boilerplate code in Swift, you're missing out on one of the language's most powerful fea...

String Index Type Safety in Swift

Company: Grammarly · Mar 7, 2022
Platform: iOS

Grammarly's iOS team discovered their text editing bugs weren't logic errors. They were using the wrong kind of integer.

Amorn Apichattanakul, an iOS developer since the iPhone 3GS era, spent 1.8 years mastering Flutter and wishes someone had created a cheat sheet for the transition. So he built one himself.

Cecília Saraiva from Glovo reveals how their 30+ iOS engineers maintain code consistency without the manual overhead. Spoiler: automation is doing the heavy lifting.

Tim Sneath from Google reveals Flutter 2.2 just hit a major milestone: it's now the #1 cross-platform framework, powering 1 in 8 new Play Store apps. The momentum is undeniable.

Six iOS App Features Explained

Company: BlaBlaCar · May 12, 2021
Platform: iOS

Charlotte Martin and Victor Carmouze from BlaBlaCar reveal how small, often-overlooked iOS features can dramatically improve user experience. Most developers chase headline features while missing the details th...

Sid Rathi from Expedia Group debugged a production nightmare: KStream apps dying in an endless OOM loop. The culprit? A single unclosed iterator eating native memory.

Swift Algorithms Library

Company: Swift.org Blog · Oct 7, 2020
Platform: iOS

Nate Cook from Apple's Swift team just dropped Swift Algorithms, an open-source package that could change how iOS developers write collection code. If you've ever written a gnarly nested loop to chunk data or f...

John Ryan from Flutter's team tackles one of mobile dev's messiest problems: navigation. But the solution might be more complex than the problem itself.

Swift System Library

Company: Swift.org Blog · Sep 25, 2020
Platform: iOS

Michael Ilseman from Apple's Swift team just open-sourced a library that turns error-prone C system calls into clean, type-safe Swift code. If you've ever wrestled with file descriptors and errno, this changes ...

Wire Support For Swift, Part 1

Company: Cash App · Aug 19, 2020
Platform: iOS

Eric Firestone and Jake Wharton from Square just brought Wire's protocol buffer compiler to Swift, and their opinionated approach throws out some sacred cows. Why build yet another proto compiler when Google al...

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