Rooms
TVPaint allows you to choose between different workspaces to work with, called Rooms. Using those can come in very handy depending on the part of the animation process you are working on (storyboarding, drawing roughs, cleaning, compositing...)
4 Rooms are readily available: you can also customize them to your liking. A Room will store your panels's positions, status (open / closed) and parameters, your keyboard shortcuts, your color scheme etc. However, your opened projects will remain the same when switching between Rooms.
You can switch between any of them by clicking on the Room drop down menu, located at the bottom right corner of the software's main window. You can also call one by clicking on the View > Room item on the main menu.
The house icon will allow you to Rename, Load or Save your Rooms.
If you select another Room by holding the "Ctrl+Alt" keys, the selected Room will receive the same parameters than the one you are switching from. This makes copying a Room's settings to another one easy.