There is a new toolbar system which can be used to make shortcuts and quick actions. It is very customizable and it has many actions as shortcuts in order to make the asset easier and faster to use or simplify some steps, like select the main player, focus on a certain component, move the player around, toggle camera view, etc...
It can be activated here:
And you can place it anywhere on the editor:
And you can locate the file where the settings are configured, including a number of rows for buttons and new actions: