One iPad, Four Apple Lists: Where Vintage, Security and iPadOS 27 Floors Disagree

Apple maintains at least four separate lists that decide how current an iPad still is: the vintage and obsolete list, a legacy security branch for four very old devices, the security floor for today’s main iOS and iPadOS branch, and the iPadOS 27 compatibility list itself. The same iPad generation can land in a different place on each one at the...