There is a new pull request by st3r4g against master on the void-packages repository

https://github.com/st3r4g/void-packages mesa-20.1
https://github.com/void-linux/void-packages/pull/22392

[TEST] mesa: update to 20.1.0
This is a development release, so do not merge yet.
I will undraft this once 20.1.1 comes out.
This is for testing purposes, and in preparation to 20.1.1 (which is likely this + minor fixes)
Testing on `x86_64-musl`, `sway`, Intel drivers

A patch file from https://github.com/void-linux/void-packages/pull/22392.patch is attached