Browser path detection: added support for browsers that register themselves only in the 64-bit registry view (like Firefox 64-bit).
Improved application and system tray icons.
Moved advanced tray icon options to a separate group.
Invalid characters (like control characters) now are filtered out when exporting to an XML file.
Improved process memory protection for passwords of entries that are displayed in the entry details view of the main window.
Upgraded to Boost libraries version 1.64.0.
Various code optimizations.
Minor other improvements.