Only VK Premium 3.0 is compatible with Nuendo. VK 3.0 will work on Nuendo 4 for Mac OSX, Windows XP and Mac/Intel.
You can see the specifications and the environment (including Pro Tools version) required to run each version of VirtualKaty in the link below. Link: VirtualKaty Installers Select the version you are interested in the page to view the details.
VirtualKaty 6, VK5 Premium, VK4 Premium and VK Premium Collection 3.0 can read edls and Avid Change Notes. Cinema Tools xmls files are not compatible with VK5, VK4 and VK 3.0.
For VK6, the EDLs need to be in edl32, edl16 or CMX3600 format. For VK5 or VK4, the EDLs need to be in the CMX3600 format. See our tutorials for more information.