There is an updated pull request by mkalte666 against master on the void-packages repository

https://github.com/mkalte666/void-packages mellowplayer
https://github.com/void-linux/void-packages/pull/14275

mellowplayer: update to 3.5.5


A patch file from https://github.com/void-linux/void-packages/pull/14275.patch is attached