This bug is part of the non-responsive maintainer procedure for Pavel Alexeev, following https://docs.fedoraproject.org/en-US/fesco/Policy_for_nonresponsive_package_maintainers/. Please respond if you are still active in Fedora and want to maintain php-pecl-xmldiff.
This package has changed maintainer in Fedora. Reassigning to the new maintainer of this component.