[SOLVED] MOTIF VSTi Editor 1.6.4 not compatible with C8

There seems to be an acknowledgement that there is a problem with the VSTi editors with C8 on the MAC

https://www.steinberg.net/nc/en/support/knowledgebase_new/show_details/kb_show/mac-os-x-compatibility-information-on-yamaha-software-products-with-cubase-8.html

Does anyone know if a similar acknowledgement exists for C8 on Win?