http://bugs.winehq.org/show_bug.cgi?id=57954
--- Comment #4 from zlice zlice@crtdrift.us --- did a bisect, first bad commit is supposedly dec96acdc75dc5b64c75b9edbed147aae140ffed
``` --- a/dlls/winex11.drv/event.c +++ b/dlls/winex11.drv/event.c @@ -309,7 +309,7 @@ static Bool filter_event( Display *display, XEvent *event, char *arg ) case ConfigureNotify: case PropertyNotify: case ClientMessage: - return (mask & QS_POSTMESSAGE) != 0; + return (mask & (QS_POSTMESSAGE | QS_SENDMESSAGE)) != 0;
```
taking out the QS_SENDMESSAGE works again