https://bugs.winehq.org/show_bug.cgi?id=48462
--- Comment #19 from Alistair Leslie-Hughes leslie_alistair@hotmail.com --- (In reply to Rafał Mużyło from comment #18)
I'm led to believe that comment 17 is based on a mistake: rawinput patchset has been disabled in staging, so the test results might no longer be relevant.
Fedora ships wine-staging by default, so having this patchset disabled has fixed the issue at hand.