• show time in date modified column
• performance increased when browsing through folders
• always show zoom control in pdf viewer
• in the file list view: prevent re-arranging columns, prevent resize, fix the sort arrow on init.
• fail gracefully when attachment size is reached
• add document preview for djvu files (experimental, undocumented, not by default)
• installer, reduce size of download
• fix bug for ie10 (officially I do not support ie10)