Perfect Photo Suite 9 and the Perfect Photo Suite 8.5 are compatible with Mac OS X Yosemite 10.10.x.
There are 8.5.2. updates available for all version 8 products. This update includes compatibility for Yosemite Mac OS X 10.10.
Older legacy products will not be updated for compatibility with Yosemite. Apple introduced new security measures that will make older product incompatible.
Suite 7.5 and Suite 7.5 Family individual products.
Suite 6.1 and Suite 6.1 Family Individual products.
Suite 5.5 and Suite 5.5. Individual products.
Plugin Suite 4
PhotoTools (all versions)
PhotoFrame (all versions)