Neither color nor "Output Parameters" frame border in Options/UML/Templates are according to Nimbus L&F. See attachement.
This bug doesn't seem to fit P2 criteria. Please see the guidelines and let us know which criteria you feel it meets:
Also, the attachment is missing.
Created attachment 59228 [details]
Options -> UML -> Templates
You're right, it is not according to the guidelines. Actually, branding related issues are not in the guidelines at all.
They could probably be classified as P4 (appearance), but I think this one is so visible it can be considered P3 (highly
visible usability problem).
The attachment is now provided (although with wrong MIME which I am not able to change now). Removing the "INCOMPLETE"
UML is not part of nb6.5 release -> future