Feature, not bug. There is a steady stream of features that build on the newer hardware, for example local dictation support starts with A12 devices. The big qu

Feature, not bug. There is a steady stream of features that build on the newer hardware, for example local dictation support starts with A12 devices. The big question is not whether a five year old phone supports the most current software (I would hope so), it's whether today's brand new phone will likewise support the updated software in five years, and what features can app developers rely on being present in five years.