I would say the opposite, actually: at least on large pure swift projects, Xcode grinds to a halt. Many of its features come with unacceptable performance cliff

I would say the opposite, actually: at least on large pure swift projects, Xcode grinds to a halt. Many of its features come with unacceptable performance cliffs which are impossible to patch. I ran into a particular problem with the build documentation command recently: https://www.jackyoustra.com/blog/xcode-test-lag https://www.jackyoustra.com/blog/xcode-test-lag