• When the user selects a folder, loading articles from database occurs on a separate thread
• Fix again the 'N' key not selecting last unread article or not wrapping to the first unread article
• Keep currently selected article on refresh of a group or smart folder
• Fix article selection in Unified layout
• Fix "Last Refresh filter"
• Fix an exception on opening the General preferences window
• Fix an assertion failure
• Code refactoring
• Reorganized tests