This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
It has to be decided what should be the connection between selected platform and the compiler switches (e.g. -source) in the UI.
This is actually specific to the J2SE project type, AFAIK.
Done by David Konecny. For GUI usres the selected platform affects all the switches. Powerusers should edit the properties files manually.