I still miss Opera's MDI (Multiple Document Interface). Using that vs using tabs felt like using a tiled window manager vs graphical window manager. You could

I still miss Opera's MDI (Multiple Document Interface). Using that vs using tabs felt like using a tiled window manager vs graphical window manager. You could get so much more efficient with the MDI once you dialed in shortcuts, window switching and rearranging, etc. https://en.wikipedia.org/wiki/Multiple-document_interface https://en.wikipedia.org/wiki/Multiple-document_interface https://www.webdesignmuseum.org/old-software/web-browsers/opera-2-0 https://www.webdesignmuseum.org/old-software/web-browsers/op...