The key features of (which supported devices like iPhone 5s, iPhone 6, iPad mini 2, iPod touch 6th gen, etc.) include:
Tap the . If prompted with "Download an older version of this app?", tap Download . Youtube-- Ios 12
. It could also refer to the "long-form" white papers or technical reviews published during the iOS 12 release cycle. The key features of (which supported devices like