Flex support for iPhones and iPads?

Question

Layout

Question about flex, is there somewhere an exact description of the support for all properties for iphone, ipad?
There is no precise description in canIuse , only browsers.
especially interested in iphone5.

Answer 1

I'll tell you in secret that all Apples use exactly the same IOS Safari browser, moreover, about the latest version (except for very old ones)
So everything is there)

Answer 2

*The Safari browser for iOS is tied to the operating system, so the numbers used are based on the OS version.
Everything is there.