Pianoteq 4 user installable on Receptor 2

Hi,

Apologies if I've missed the obvious or have simply misunderstood, but I was just looking at Plugorama and very surprised to find this:

http://www.plugorama.com/product.php?id=715

The install files seem to imply v4.2. The ability to run Pianoteq 4 on a Receptor 2 (albeit running muse OS 1.9 or later) doesn't seem to be reflected in the FAQ or news pages of either Plugorama/Muse or Pianoteq/Modartt.
I can't try it yet as I need to upgrade my Receptor OS first; has anyone else?

All the best,
Mchoc