As another German native this is it, yes. I am not sure I saw it before in English, but it is a fairly common abbreviation, at least in chats (although I think

As another German native this is it, yes. I am not sure I saw it before in English, but it is a fairly common abbreviation, at least in chats (although I think my iPhone automatically replaces WE with Wochenende even though I never set it up to do so).