Can you show/hide layers?

I would like to create a mind map with an “annotation layer” that acts as a sort of overlay with text and connectors. Is this possible to achieve?

Hey there! It’s not right now I’m afraid. Sorry about that. I’d love to hear more about how it would work for you though - do you imagine toggling it from a toolbar?

Yes It would be ideal to toggle a layer’s visibility from the tool bar or by assigning a toggle visibility action to an element. LucidChart offers this feature but it is not nearly as elegant as Whimsical. It would be a great addition!