Thanks @kumisystems.
changing the URL of the mirror from mirror.klaus-uwe.me/gimp to mirror.kumi.systems/gimp
This one has now been updated on our testing website. See commit gimp-web@48a9e964. The change will be publicly rolled out the next time we update the main website.
rsync credentials so we can sync from the right place
Configuration is being updated. In the meantime, please could you give me a public GPG key so that I can exchange the rsync credentials as soon as the config is in-place?