Good news for all Fedora users, PhotoQt is now in the stable repositories of Fedora 23 + 24 and also in Rawhide:


Thanks to Jiri Eischmann for providing these packages!

If you are still on Fedora 22, you can install the old version v1.3 of PhotoQt from the build service hosted at opensuse.org.
Simply open a terminal and run the following three commands as root:
(of course, without the #; and ignore any possible linebreak in the URL)

# cd /etc/yum.repos.d/
# wget http://download.opensuse.org/repositories/home:zhonghuaren/Fedora_22/home:zhonghuaren.repo
# yum install photoqt

Thanks to zhonghuaren for providing the package in the OpenSUSE Build Service.