We've got four X1 Carbon's in our house - the oldest is a gen2 and the latest is a gen 9. They're all amazing but share the design quirk changes noted in by th

We've got four X1 Carbon's in our house - the oldest is a gen2 and the latest is a gen 9. They're all amazing but share the design quirk changes noted in by the OP. My biggest issue remains that the keyboard layouts are slightly different.