https://bugs.winehq.org/show_bug.cgi?id=48138
--- Comment #15 from Gijs Vermeulen gijsvrm@gmail.com --- A modified version of the staging patch was upstreamed as https://source.winehq.org/git/wine.git/commit/537bb7a8aee278d285cb77669fd9258dfaa3222f
So I guess this issue is fixed?