There is a new pull request by ailiop-git against master on the void-packages repository https://github.com/ailiop-git/void-packages btrfs-progs https://github.com/void-linux/void-packages/pull/25856 btrfs-progs: update to 5.9. A patch file from https://github.com/void-linux/void-packages/pull/25856.patch is attached