For me, I really liked how it has "panel" functionality that also let me replace Simple Tab Groups, and how nicely that interacts with Multi-Account Containers.

For me, I really liked how it has "panel" functionality that also let me replace Simple Tab Groups, and how nicely that interacts with Multi-Account Containers. I have a panel for work, and when I'm done with work I can switch to another panel for another task and no longer have to look at my work tabs - then the next day I can have just those in my tab bar again.