it wont be any time soon by the looks of it.
voting list is not set so it's very likely to change order once the top of the list gets worked on - as those voting on those features are technically now free to cast their votes on other features (which should mean a lot of votes) and thus the list will shift order (it's very unlikely everyone will want whatever is next on the list, maybe not so true for the current list but especially not after the first few anyway).
however when multiplayer was initially asked about (and implemented) a lot of people were against it and a lot of users still don't like steam, so multiplayer is certainly a feature with limited support (however as a lot of new users are coming from steam, it's definitely possible the balance has shifted)
long story short, i wouldnt expect any changes for at least 6 months (just a guess though)
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