I hope it can do DisplayPort Multi Stream Transport. Currently I have to connect one screen through TB4, and the other one through HDMI despite the TB4 screen being able to daisy chain through DisplayPort. One screen is a 32 inch UHD 60Hz monitor and the other one is a 24 inch 2560x1440 90Hz screen which is rotated by 90 degrees.
The hardware supports it fine, if you ran any other OS it'd work. OSX refuses to support it because it eats into their monitor sales that use an alternative TB-based multiplexing protocol (which is only available on Apple devices, which are, well, not the world's best monitors, yet somehow the most expensive per square inch in a lot of cases). All the various incarnations as far back as Ivy Bridge's TB2 should have w…
It's ridiculous that they refuse to support this. Iit's actually backfiring. Peoppe at work laugh when they see me attaching two cables to my Macbook ehile everyone else with different operating systems use their docking stations or daisy chaining. Even old Chromebooks support it.