[Bug 49273] New: wine-staging 5.9 breaks World of Warcraft 3.3.5a

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49273

Bug ID: 49273
           Summary: wine-staging 5.9 breaks World of Warcraft 3.3.5a
           Product: Wine
           Version: 5.9
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

wine-staging 5.9 introduces a regression, which causes World of Warcraft 3.3.5a
to malfunction.

Issues:
Camera manipulation via right button press or middle button press is
stutteting, moving randomly every 1 second or so. Camera moving is unusable.

Problem is fixed instantly by downgrading wine-staging to 5.8

System details:
Debian Buster + backports on Linux AMD64
Nvidia 1080Ti + nvidia driver 440.82 from buster-backports