Xcode 9.0.1 Interface Builder 100% CPU opening iOS Storyboard
问题 Last night Xcode automatically updated to Version 9.0.1 (9A1004). Today, I tried to open an existing project and my iOS storyboard file gets stuck with a never ending spinner and Activity Monitor reports Interface Builder using 100% CPU. I have a second MacBook Pro that still has Xcode 9.0.0 and it opens the storyboard without any issue. I'm running macOS High Sierra on both. Anyone else seen this or know of a workaround. 回答1: I received a response from my bug report with a suggested