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

https://github.com/emacsomancer/void-packages mu-1.4.8
https://github.com/void-linux/void-packages/pull/22439

mu: update to 1.4.8


A patch file from https://github.com/void-linux/void-packages/pull/22439.patch is attached