There is an updated pull request by SevereOverfl0w against master on the void-packages repository

https://github.com/SevereOverfl0w/void-packages sev/multimc
https://github.com/void-linux/void-packages/pull/22015

MultiMC: update to 0.6.11.
None

A patch file from https://github.com/void-linux/void-packages/pull/22015.patch is attached