

Multitasking, preparing for meetings/workshops, not having to make bookmarks that are only relevant for the duration of a project/task.
There are many valid uses of tab groups that need to be kept open for quick accessibility without waiting for pages to load or finding specific groups of links that will not be relevant in a week
Isn’t that a fork of Firefox that still relies on Firefox development? Would it continue to exist if Mozilla shutdown and Firefox was no longer maintained?