This may seem like a minor thing, but it is very irritating. Basically, in most programs if you copy, it will only actually take effect if something is selected to be copied. In the Foundry, copy occurs even if nothing is selected, resulting in "nothing" being copied, and whatever was previously held in the clipboard is overwritten by nothing.
The problem is, this can occur pretty easily. V is right next to C on the keyboard, so sometimes when you intend to paste via Ctrl-V, you will accidentally hit Ctrl-C and then your clipboard is cleared because "nothing" was copied.
Please change it so the copy function does not take place if nothing is selected.