Weekly Digest
Aug 10 - Aug 16, 2026
3 articles that week
Friday, Aug 14
How we raised mobile end-to-end test stability to 98%
Michael Garfinkle from Shopify reveals how they went from pulling E2E tests from CI entirely to achieving 98% stability. The secret? Stop fighting flakiness and rebuild the framework that creates it.
Wednesday, Aug 12
Tackling UI Test Execution Time Imbalance for Xcode Parallel Testing
Grab's engineering team discovered that Xcode's parallel testing was secretly sabotaging their CI pipeline. Tests from the same class were forced onto the same simulator, creating massive execution time imbalances.
Modern SwiftUI Architecture: Building Scalable Listing Modules
Sadık Çoban from Getir just dropped a masterclass on migrating a massive e-commerce listing screen to SwiftUI while supporting iOS 15. The payoff? A 4.7× performance improvement in production.