The action screen is pretty good. In theory it limits how many rooms you can visit in one day but in practice it greatly shortens the time spent navigating menus.
I feel like I progressed to harder rooms way faster this time around too although that may be in part thanks to the removal of a lot of dialogue and tutorials.
The inclusion of an option to remove the time limit at a cost was necessary at some point, although at the moment I'm not sure if it's ever worth it because the only way to progress involves collecting resources.