A DESCRIPTION OF THE REGRESSION :
The image background got painted outside the drop down list's bounds somehow, and continue to persist even after the drop down list goes away.

REPRODUCIBLE TESTCASE OR STEPS TO REPRODUCE:
(Using NapkinLAF)
1) click to expand a drop down list (within a FileChooser / TableDemo)
2) hover cursor between list of items; you can even scroll if applicable.

RELEASE LAST WORKED:
5.0 Update 6

RELEASE TEST FAILS:
mustang-b70

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Drop down list works as it should.
ACTUAL -
The image background got painted outside the drop down list's bounds somehow, and continue to persist even after the drop down list goes away.

APPLICATION NAME: NapkinLAF APPLICATION VERSION: 1.0

OBSERVED APPLICATION IMPACT:
It breaking the UI.

Release Regression From : 5.0u6
The above release value was the last known release where this
bug was known to work. Since then there has been a regression.