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

https://github.com/jkoderu-git/void-packages patch-2
https://github.com/void-linux/void-packages/pull/21868

calibre: update to 4.15.0


A patch file from https://github.com/void-linux/void-packages/pull/21868.patch is attached