There is a new pull request by Piraty against master on the void-packages repository

https://github.com/Piraty/void-packages kmonad-fix-version
https://github.com/void-linux/void-packages/pull/36971

kmonad: correct version to 0.4.1.20220321.
Fixes: 78955200f6

@q66 @slotThe 

A patch file from https://github.com/void-linux/void-packages/pull/36971.patch is attached