https://bugs.winehq.org/show_bug.cgi?id=28960
--- Comment #18 from Gijs Vermeulen gijsvrm@gmail.com --- (In reply to Austin English from comment #17)
With 6.0-rc1/6.0-rc2, Mount and Blade looks the same as it did in https://bugs.winehq.org/show_bug.cgi?id=28960#c5.
Do you have mscorefonts installed, maybe?
I can confirm this on my Arch Linux machine. I don't have mscorefonts installed on either machine. The difference may lie in the fact that I used the Mac Driver on my macOS machine instead of X11.