User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9a1) Gecko/20060428 Minefield/3.0a1 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9a1) Gecko/20060428 Minefield/3.0a1 When rightclicking in the extension-manager sometimes the wrong item is selected due to the resizing the extension/theme entries. Reproducible: Sometimes Steps to Reproduce: 1. Install a lot of extensions. You should have to scroll vertically in the addon-manager 2. open the addon manager 3. scroll down to the middle of your extensions 4. right-click on a unselected extension at the top of the window 5. repeat a few times Actual Results: Sometimes after right-clicking, the context-menu is over the wrong extension and the wrong extension is selected Expected Results: The right extension should be selected

I don't have this problem on the branch and suspect it is caused by bug 330073

btw: when I say on the branch I am talking about my own build

*** This bug has been marked as a duplicate of 330073 ***