@pl00 I agree that if user or operator choose a sort order this should be remembered with a cookie or something. At the moment this is not supported and has not been implemented also if I suggest it https://github.com/uvdesk/community-skeleton/issues/465
The UVdesk team introduced the sort for last update that was not present so this is positive but I believe a little bit improvement is needed because the setting preference is lost on all new visit to the ticket system.
If you have feature requests or you wanna report a bug you should use the GitHub page: https://github.com/uvdesk so you and the team can track better the issue.
For generic request you can use this page: https://github.com/uvdesk/community-skeleton/issues