Created attachment 289005 [details] missing top lines in bugzilla page Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9b2pre) Gecko/2007111605 Minefield/3.0b2pre top line of select box sometimes missing of user scrolls up Try to reproduce it with https://bugzilla.mozilla.org/enter_bug.cgi?product=Firefox and the mouse dragging the scrollbar. I also saw it with OS version drop down.
This is almost certainly a Windows widget or painting bug, not a form controls bug. In particular, I cannot reproduce on Linux.
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9b2pre) Gecko/2007111310 Minefield/3.0b2pre Yes, I see this too. Sounds familiar to me so this could be a dupe.
WFM with current trunk Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.3a3pre) Gecko/20100306 Minefield/3.7a3pre
Now also working for me. > RESOLVED WORKSFORME with yesterday's Win32 nightly on XP.