This package will soon be part of the auto-jpeg-xl transition. You might want to ensure that your package is ready for it.
You can probably find supplementary information in the
debian-release
archives or in the corresponding
release.debian.org
bug.
Migration status for kf6-kimageformats (6.6.0-2 to 6.8.0-1): Waiting for test results or another package, or too young (no action required now - check later)