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

https://github.com/ericonr/void-packages waybar
https://github.com/void-linux/void-packages/pull/24108

Waybar: update to 0.9.3.
Tested on x86_64-musl.

A patch file from https://github.com/void-linux/void-packages/pull/24108.patch is attached