User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6 Build Identifier: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6 If the firefox window is on the secondary display and you access either the location or search drop-down lists, the drop-down appears in the corner of the primary display. If the firefox window is on the primary display the drop-down appears in the correct location. Reproducible: Always Steps to Reproduce: 1.Move the firefox window the the secondary (external) display on your mac 2.Click the drop-down arrow on the right side of the location bar Actual Results: The drop-down list is displayed on the primary display Expected Results: The drop-down list would appear below the location bar in the firefox window. I have tested this with several other programs including safari and opera and I have not had the same issue. I am running on a MacBook Pro with an external lcd display.

Fixed on the trunk for Fx 3.