User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1b3) Gecko/20090305 Firefox/3.1b3 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1b3) Gecko/20090305 Firefox/3.1b3 when dragging a tab new window is created Reproducible: Always Steps to Reproduce: 1.drag the tab anywhere inside firefox window 2.drop it 3. Actual Results: new window is created in place of the tab Expected Results: the tab stays inside the window like in firefox 3.0.x is not reproduced on linux system
This is a new feature of Firefox, when dragging a tab out of the tab bar a new window is created. This is a dupe of a somebug,
This is the new expected behavior. Unless the tab is dropped in the tab bar, address bar, search bar or the bookmarks toolbar.