Is there any technical reason why Xcode 12.5 cant be installed in Catalina? I just installed iOS 14.5 on my phone, and now I can't use it as a build target because my 2012 rMBP, which is completely usable and fast, cannot install Xcode 12.5, because it cannot install Big Sur. Developer Tools & Services Xcode iOS Xcode 6 0 6.2k Apr ’21