[Bug 57334] New: FL Studio - Regression - huge graphical glitch

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=57334

Bug ID: 57334
           Summary: FL Studio - Regression - huge graphical glitch
           Product: Wine
           Version: 9.20
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 77281
  --> https://bugs.winehq.org/attachment.cgi?id=77281
video of the issue

Wine 9.20 introduced this major issue where mowing the windows inside the app
doesen't make them render correctly and creates a ton of graphical glitches,
see the attachment for the video of the issue.

Wine 9.19 and below don't have this issue