1. Bring up a JInternalFrame with a JButton in it. 2. Press on the JButton (don't release). 3. Drag outside of the JInternalFrame. 4. Release. The problem is the naive GlassPaneDispatcher in BasicInternalFrameUI. I'm currently working on a fix.
fixed.
and verified.
Resetting the target milestone, which doesn't exist in the 'classpath' product.