The help page (link below) gives a three step process to use Jasper Reports.
in WCshell, export a report template
use Jasper Studio to format the report
in WCshell, import jasper's template
There is no mention of which Jasper version Windchill works with.
Given that Jasper is featured as the new reporting facility in Windchill, one would think that the doco would mention which Jasper version is recommended. Which version was used in PTC while this all was developed?