By holding down the name of their tab group, a menu appears including the option to "Arrange Tabs By Title" (or by website). It will help users browse and manage their tabs, particularly when they have lots of tabs.
In iOS's Safari App you can arrange the tabs in a tab group by title or by website:
This feature sould be available in Orion too. It will help users browse and manage their tabs, particularly when they have lots of tabs.