TIL package-benchmark, Swift benchmark runner with many performance metrics and great CI support: Introducing the Benchmark Package: Complementing Unit Tests with Performance Checks. I wasn’t yet able to use it because of linking error.

Read Apple documentation Improving code assessment by organizing tests into test plans, Test coverage.

TIL about prepareThumbnail(of:completionHandler:) for creating a thumbnail image at the specified size asynchronously on a background thread, available since iOS 15. There’s no need anymore to downscale image manually on iOS.