Let drag tabs - reorder tabs- by drag them vertically on tab menu
I would like to suggest to let the browser reorder tabs by drag them vertically on the tab menu (vertical navigation), similar like the function of the extension "Tabman Tabs Manager" https://chrome.google.com/webstore/detail/tabman-tabs-manager/hgmnkflcjcohihpdcniifjbafcdelhlm but built in by the opera team
Yes the tab menu needs an update. It's been sitting like that since the very first iteration.
Also open tabs list should be collapsable/uncollapse... But dragging to reorder would be a great first step on better tab handling.