waves plugins Routing bug ?

waves v12
gui loads all knobs are working but audio passes through slot with no prosessing
have spoken to waves and posted their responses in this thread .

https://www.steinberg.net/forums/viewtopic.php?p=1062476#p1062476

pls mods can somebody pls tell me what is going on
i understand that this is not a widespread case otherwise we would have known about it earlier
pls pm me for more details . but for now my system stats are
cubase 10.5 pro latest bild
syncsoft latest.
windows 10 pro 64 latest update+bild
32 gb ram. p i5 intel chipset
bios 11 moths old

third party conflict waves v12. waveshell 10+11+12.
updated systematically as and when released

?