Tree-style tabs lets you close an entire (sub)tree of tabs at once, should you choose to do so.
It's also useful to start new projects in a new window, and let the tree structure build up in that as you progress. You can close parts or all of that window as you've concluded with them.
It's also useful to start new projects in a new window, and let the tree structure build up in that as you progress. You can close parts or all of that window as you've concluded with them.