• Allow launching external URLs when triggered by user action (#1385)
  
• Fix untranslatable string in security popover (#1478)
  
• Improvements to user help (Andre Klapper, #1481)
  
• Stop advertising support for XML files (#1487)
  
• Fix hidden expand-tabs-bar setting (#1512)
  
• More improvements to user help (Sabri Ünal, !935)
  
• Several improvements to fullscreen mode (!938)
  
• Remove bad assert added in 40.rc (!941)
  
• Fix crash importing bookmarks from Firefox (!949)