[Bug 43772] New: Witcher 3 not starting (anymore)

https://bugs.winehq.org/show_bug.cgi?id=43772

Bug ID: 43772
           Summary: Witcher 3 not starting (anymore)
           Product: Wine
           Version: 2.17
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 59275
  --> https://bugs.winehq.org/attachment.cgi?id=59275
full log

With version 2.14, I was able to start and play "The Witcher 3".
With version 2.17 I cannot anymore.
Looking at the logs, the only message that seems to matter is about GL
implementation not accepting 4 component specular colors.
I'm attaching both the full log and my glxinfo output.