Since this commit the plug-ins are equiped with both Qt4 and Qt5 style macros. This is an invitation in the spirit of Rallaz's comment here to argue about the content of the json files for plug-ins. Are there any required fields? Should we just remove them, since the FILE directive is optional?
Apparently no one wants to argue... ;D
Because we have a forum it seems more appropriate for development discussions to be held there.