Report from the field: porting our 30k of Swift to Swift 2 took the eminent a solid week; and we still have some bugs. Yikes. :/
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this… was not by far the worst thing I’ve had to deal with lately. So yes, I’d take this over other actual _bugs_.
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I'd always favor progress despite transition cost over technical debt created by fear of making users upgrade.
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take UIKit for example: I think all the work put into keeping backwards compatibility hurts complexity.
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would you have preferred to rewrite for a hypothetical UIKit-replacement vs objective-c-replacement?
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that is an interesting question. i don’t think the uikit-replacement could have been excellent in obj-c :/
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I feel that a few features could have been added to objc to make it excellent … (1/2)
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for example async/await which attacks the heart of a lot of issues and is now neither in Swift nor ObjC
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