Hi Kiwi,
welcome to the mAirList Community.
To give all of us a quick overview:
In June '18 Torben first said “No”, later it was integrated in v6.1.5.
… but, later:
RM2200D
Status: limited support, since v6.1.5
Uses an entirely different protocol than the other DHD products. Faderstart and PFL control supported.
(hardware:supported_mixing_consoles [mAirList Wiki])
A wiki page is marked as “work in progress” since July; unfortunately I am not able to finish it.
I kindly ask the DHD using community with experience on an RM 2200D, to help us here.
Thank you.