When opening a multi schematic project, with a browser, new version 6.3.39, all the documents from that project are automatically, sequentally and slowly be opened. If you open a schematic document, each 10 seconds the browser opens a new sheet file, swaps to the new opened sheet, and do this sequentially till all sheets from that project are opened. I tried with Opera and Firefox browser, latest version each, with a clean cache. Behavior are the same for both of them. Older version do not do this. Please, correct this really annoying bug. Thanks.