https://bugs.winehq.org/show_bug.cgi?id=43137
--- Comment #12 from Sebastian Lackner sebastian@fds-team.de --- (In reply to Ryan Farmer from comment #11)
The bug I opened in Fedora has the comment that they are not carrying any patches. It's just vanilla Wine packages by Fedora.
The more interesting question would be if gstreamer still lacks any specific codecs.