Ah, it would be fantastic to have the ability to customize the Toolbox layout.
We have a meta bug collecting bugs related to DevTools Layout here:https://bugzilla.mozilla.org/show_bug.cgi?id=1767613
I just linked this thread in the bug.
To implement ...
Ah, I see, there was only one screenshot attached.
To make this more actionable, it would be helpful to include screenshots from both Firefox and Vivaldi, along with an explanation of what Vivaldi does better. Specifically, it would be useful to know...
