http://bugs.winehq.org/show_bug.cgi?id=57754
--- Comment #5 from Stian Low wineryyyyy@gmail.com --- (In reply to Stian Low from comment #4)
Thus the remaining work to correct these VST issues is for the VST hosts to fix their code for compatibility with the latest version of Wine.
Wine may perhaps be modded to continue supporting Linux VST host broken windowing logic which was partially fixed by this patch: https://bugs.winehq.org/show_bug.cgi?id=58552#c11
The patch largely fixes the offsets for many VST hosts without them needing to correct their own code. However, more minor bugs have still been reported against the patch so it's not a complete fix.
Therefore my efforts are now focused on replicating fixes of Carla experimental Wine features to yabridge and other VST hosts.
Perhaps during this effort a backwards compatible solution may be found so that VSTs do not have to change their code but that may be unlikely and even ill-advised if they in fact all contain hacky code that is no longer required to play well with Wine's previously broken state.