How to add IOS support IOS 10?

With the release of IOS 10 some applications are updated with the comment "IOS 10" the very next day. It is the people just compile their apps in the new XCODE or is there any tricks?
July 4th 19 at 22:48
2 answers
July 4th 19 at 22:50
It is necessary to build the application in xcode 8, to check the efficiency on ios10. If necessary, make adjustments.
it is clear, thank you - Godfrey.Keeli commented on July 4th 19 at 22:53
July 4th 19 at 22:52
Not necessarily anything to compile. Everything can work without any updates. But the check does not interfere of course.

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