I don't know if the list is out of date but I can only see the Vu+ Solo 4K that is a 4K box.
WooshBuild is now available on the following boxes:
Zgemma S, H2S, HS
Zgemma H2H - (cable / sat) - OpenATV 6
Zgemma H1*, H2*
Zgemma H5-2S
Zgemma H5-2TC
Zgemma H5 (cable / sat) - OpenATV 6
Zgemma H3-2TC (cable / sat) - OpenATV 6
Zgemma i55 - OpenATV 6
Vu+ Solo4k - Twin sat
Vu+ Zero - OpenATV 6
Vu+ Solo2 - OpenATV 6
Vu+ Duo2 - OpenATV
Edision os mini - OpenATV 6
Xtrend 8500 (ET8500) - Twin sat - OpenATV 6