I'd like to group the folder navigation buttons together. I use an ultrawide screen, but even when I'm on a normal screen at work it's still unintuitive to go to 2 different places in the Browser Toolbar to navigate around.
It's great that you can customize the Main Toolbar in any order you like, but I can't find anything for the Browser Toolbar anywhere. I tried looking at customizing the css at one point, but it quickly went beyond my grasp.