I have just upgraded to 12.7 from 11.x. I am rather frustrated because most simple things from old version do not work anymore!
• Hide folders command (previously F7) does not work anymore. Did not find "Hide folders" command in Customize dialog
• Toolbars are not clearly marked as from previous version or from new 12 version
• When I enter *.pdf in the Filter field many other file types are displayed. In the previous version 11 only PDf files were displayed