This is a duplicate of another suggestion to add a ghost mode. He is probably referring to all the “new application” stuff that you mentioned.

Thanks, we'll look into it

You can simply disable all visual mods, or set a keybind to all visual mods so that they all toggle at the same time when pressing a key. There is no mod at the moment that can hide them all temporarily

We do not have translations available, English is the only option

It’s not currently possible