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

https://github.com/ailiop-git/void-packages strongswan
https://github.com/void-linux/void-packages/pull/20804

strongswan: update to 5.8.4.


A patch file from https://github.com/void-linux/void-packages/pull/20804.patch is attached