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

https://github.com/ndowens/void-packages tinyxml2
https://github.com/void-linux/void-packages/pull/26855

tinyxml2: update to 8.0.0
Tested using LGOGDownloader fine.

A patch file from https://github.com/void-linux/void-packages/pull/26855.patch is attached