Feature Request - highlight empty block hp count

If would be really helpful to highlight the hp count for empty blocks. It can be hard to see how much hp you have available between modules or at the end of a row. Much like having the info when you mouse over a module displaying the hp it would be nice to display the hp available in empty spaces. My eyes aren't what they seem and I find myself trying to count the hp and that gets tedious after about 6 hp.

Have you got the space guides feature turned off, maybe? It doesn't seem to work on iPads. But it works rather well on my desktop.

I do have the space guides on, this works okay but it would be nice to not have to select a module just use mouse over event in empty space to show the guides.