https://bugs.winehq.org/show_bug.cgi?id=47270
--- Comment #4 from Andrew Wesie awesie@gmail.com --- I should really copy paste the previous thread about this. I'll do that when I am at my computer.
The concern about a shared mapping updated from wineserver is that different processes may have different advertised OS versions. This means that different processes may have different data in their shared user data page.