User Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, like Gecko) Ubuntu/12.04 Chromium/18.0.1025.151 Chrome/18.0.1025.151 Safari/535.19 Steps to reproduce: new mail appears in some imap folder (i use server side filtering), i click on folder, click on new mail. here the contents of the mail is usually not shown. i have to click on an older mail (which is shown) and then back to the new one which is displayed correctly at this point. but then, switching to yet another folder the mail i was viewing in the previous folder is displayed on top of this folder, clearly not belonging here. in order to get the situation right, i have to switch to another folder and come back to this one, and the mysteriously misplaced mail disappears... Actual results: described above. Expected results: described above.
(In reply to Darko Veberic from comment #0) This is an issue with GUI update. If you have add-ons just disable them and check.
Anything in Tools -> Error console when this happens ?