There is an updated pull request by q66 against master on the void-packages repository

https://github.com/void-ppc/void-packages xbps057
https://github.com/void-linux/void-packages/pull/15677

xbps, xbps-static: update to 0.57


A patch file from https://github.com/void-linux/void-packages/pull/15677.patch is attached