https://bugs.winehq.org/show_bug.cgi?id=42494
--- Comment #18 from Gijs Vermeulen gijsvrm@gmail.com --- This is still present with Wine 2.20.
My setup has changed a bit though. I'm now using a mid 2015 Macbook Pro with Intel Iris Pro graphics. It also has an AMD Radeon R9 M370X. I used gfxCardStatus to force it to use the Intel Iris graphics.
When using the AMD card, the bug does not exist.