New comment by Anachron on void-packages repository https://github.com/void-linux/void-packages/issues/9956#issuecomment-897383237 Comment: According to https://wiki.archlinux.org/title/isync#Using_XOAUTH2 one needs to install `cyrus-sasl-xoauth2` on Void as well as `oath2token` which is not available for Void.