A new Microsoft patent has emerged pointing in the direction of where its forthcoming Surface Pro 7 is likely headed. Changes apparent in the sketch include the long overdue introduction of a USB-C port, thinner bezels as well as a new TypeCover design.
https://www.notebookcheck.net/Surface-Pro-7-hints-in-new-Microsoft-patent-showing-USB-C-thinner-bezels-new-keyboard-design.421574.0.html