They do?
The last I read about the German language release of "Suspiria" concerned a DVD and Blu from another Austrian distributor who had to cancel?/postpone? the "Suspiria" release due to their German partner, who intended to release a censored "FSK approved" version for Germany's sellthrough market, going bankrupt.
I guess "Suspiria" will get its German territory rerelease at some point- but it's all still very much in the open as far as I understood.