My biggest issue with it is finding out that the aspect ratio has changed and so even thought the screen is roughly the same length diagonally as iPhone 6/6S/7/

My biggest issue with it is finding out that the aspect ratio has changed and so even thought the screen is roughly the same length diagonally as iPhone 6/6S/7/8 Plus it's width is really like that of a iPhone 6/6S/7/8 and not a Plus. So for Plus users, there's no replacement here it seems.