What versions of the APS Standard are currently supported by Plesk?
Plesk 9.x supports applications packaged according to the APS Standard 1.0 only.
APS Standard 1.2 is supported since Plesk 10.3 (including Plesk 12) \ \ Licensing Aspect http://www.apsstandard.org/r/doc/aspect-licensing-1.2/index.html \ \ URL Mapping http://www.apsstandard.org/r/doc/package-format-specification-1.2/index.html#s.metadata.provision.mapping
APS 2.0 is not supported by Plesk 12.
The following resources describe APS 1.2 features compatibility with Plesk 12:
APS Version 1.2 Format Specification , chapter 8
Integrating Applications with Plesk via APS 1.x , chapter 8