since the touch bar has been introduced on the Mbp Pros I am waiting for an update for the external Apple Magic Keyboard with a touch bar and touch id?. Do you think this will ever happen? (I know there are some workarounds with a secondary iPad display etc to achieve this), but I never really understood why Apple is not giving Mac Pro users similiar hardware features like Mbp users.
Also while thinking about this I found a great keyboard tray for the current apple magic trackpad and magic keyboard, which mimics the sizes and shape of an MBP Keyboard and Trackpad for the external hardware. I ordered it and like it a lot. It really feels like I am using a Macbook Pro in front of my external monitors. Also they say they will ship a self made keyboard with a touch bar in 2022. Let’s see who is faster https://bullettrain.com/products/express-keyboard-platform#