If your question is “How to update Xcode 10.1 to Xcode 10.2.1?” then you have come to the right place! Recently Apple has updated Xcode to only work with the latest Mac OS Mojave (10.4.4), this means that developers who have old Macs won’t be able to update their OS and develop in Swift 5 … Continue reading Xcode 10.2 on High Sierra – Step by Step