Developing for newer versions of iOS using an older version of Xcode

I recently ran into a situation where I wanted to hold off upgrading to MacOS 10.15 (Catalina) but needed to develop and test on my iPhone XS running iOS 13.5, which requires Xcode 10.4 that only runs on Catalina. When running an app on the iPhone (rather than the simulator) in this situation, Xcode displayed… Continue reading Developing for newer versions of iOS using an older version of Xcode