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Re:iOS 14 is available today by mkskm on Wednesday September 16, 2020 @04:31PM (#24497435)
What's the reason for the size increase? ARM support?
Re:iOS 14 is available today by plorkyeran on Wednesday September 16, 2020 @08:00PM (#24499549)
Finder says it's 28 GB but du says 15 GB. The compressed size went from 8 GB to 11 GB, so I suspect Finder's number is just wrong for some reason?

The overwhelming bulk of Xcode's footprint is the simulators. Xcode 12 went from two iOS simulator architectures to three (previously i386 and x86_64, arm64 added), one watchOS architecture to three (previously i386, x86_64 and arm64 added), and one tvOS architecture to two (previously x86_64, arm64 added), which naturally increases the size quite a bit.

Re:iOS 14 is available today by AlphaSite on Thursday September 17, 2020 @03:41AM (#24502111)
Dont they support app thinning on macOS?
Re:iOS 14 is available today by mrtksn on Wednesday September 16, 2020 @05:06PM (#24497910)
I am not sure. The download is about 11GB, maybe file system block size plays a role but why would be multiple times larger than before?
Re:iOS 14 is available today by uniqueid on Wednesday September 16, 2020 @05:50PM (#24498397)
Because there's nobody around to say "no" anymore.