What's new in v3.28:
*) added support for "contains" and "contains not" filtering in IPv4 address ranges;
*) allow to modify DHCPv6 server binding settings;
*) do not show newly created elements as invalid (in red);
*) expand table flag column to show all possible flags;
*) fixed IPv6 prefix column sorting in tables;
*) fixed WinBox crash after saving current session;
*) fixed WinBox crash when accessing v7 routes with VRF set;
*) fixed WinBox crash when some opened element was removed;
*) fixed WinBox disconnect when large text was pasted into terminal window;
*) fixed problem where optional field disappeared if window was maximized;
*) fixed table row selection with keyboard to match Windows behavior;
*) keep inner maximized window maximized when changing WinBox window size;
*) show missing Security Profile field in WiFi simple mode;
