• greatly improved tab bar:
  • allow to detach tabs by dragging them away;
  • allow to drop URLs and tabs from other windows;
  • added option to show embedded tab thumbnails;
  • improved handling of visibility of close button;
  • tabs demanding attention are drawn using bold font;
  • improved RTL support;
  • decreased default tab padding;
  • tab text is no longer centered horizontally;
  • fixed status tip messages while rearranging tabs;
• improved KDE5 and Unity integration:
  • added support for progress information;
  • added support for desktop actions;
• several MacOS X specific fixes and improvements:
  • improved rendering of platform style;
  • added dock icon menu;
  • added support for listing applications associated with given MIME type;
• added support for Windows jump list;
• added fullscreen support for QtWebKit backend;
• open file path is saved;
• improved RTL support in address and search fields;
• many other fixes and improvements.