There is a new pull request by bra1nwave against master on the void-packages repository

https://github.com/bra1nwave/void-packages libinput
https://github.com/void-linux/void-packages/pull/20874

libinput: update to 1.15.5.
Added a build option for the debug-gui

A patch file from https://github.com/void-linux/void-packages/pull/20874.patch is attached