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MacOS X

Software Engineering

Version	min OS X to run	OS X SDK(s)	iOS SDK(s) included	Min iOS Deployment Target	Min IB
Xcode 3.1.4	10.5.8	10.4 + 10.5			XIB 2.x
Xcode 4.2	10.6.7 and 10.7	10.6 + 10.7	iOS 5.0	iOS 3.0
Xcode 4.6.3	10.7.4	10.7 + 10.8	iOS 6.1	iOS 4.3
Xcode 5.1.1	10.8.5	10.8 + 10.9	iOS 7.1	iOS 4.3 or iOS 5.1.1	4.6
Xcode 7.3.1	10.11	10.11.4	iOS 9.3		5.1-7.0
Xcode 8.2.1	10.11.5	10.12.2	iOS 10.2		8

Xcode 10.1	10.13.6	10.14.1	iOS 12.1

Special formatted comments do insert pragma-like marks in the function popup:

// FIXME: fix me
// TODO: to do
// ???: How does this work?
// !!!: This is only a workaround!