https://bugs.winehq.org/show_bug.cgi?id=54635
--- Comment #2 from Alexandre Julliard julliard@winehq.org --- The change was necessary because of the new PE/Unix architecture. The planned incompatibility was explained in the stable release notes, in particular the ones for 6.0.
What is your app? How is it packaged and distributed? Is it downloadable somewhere?