So if the GOG version isn't update to the latest version, so which fault is that, GOGs or Double Fines?
Double Fine chose to only push the patch on Steam. None of the other retailers got it, and they didn't release it for owners of physical copies either. It has nothing to do with GOG.
The HIB version is the latest one, presumably because HIB5 launched after the patch was released. That's the only non-Steam digital version that's got the patch, though.