Reply to Does Xcode 12 (12A7209) crash Spotlight? Also Core Data template does not run in Simulator. Also makes Mac super hot and fans whirl?! ios updated lastnight and now I have the same issue and can not run my project. XCode 12.0.1(12A7300) Catalina 10.15.7 mac mini (2018) Developer Tools & Services Xcode Sep ’20