There is an updated pull request by ericonr against master on the void-packages repository

https://github.com/ericonr/void-packages glib
https://github.com/void-linux/void-packages/pull/25420

Add xvfb-run package, update gtk-doc, gtkmm and glib, fix glibmm tests


A patch file from https://github.com/void-linux/void-packages/pull/25420.patch is attached