Re: printing from thunderbird broken
can't confirm.
printing from TB is as usual.
rpm -qa|grep -iE 'thunder|cups'|sort
cups-2.2.6-19.fc28.x86_64
cups-client-2.2.6-19.fc28.x86_64
cups-filesystem-2.2.6-19.fc28.noarch
cups-filters-1.20.0-9.fc28.x86_64
cups-filters-libs-1.20.0-9.fc28.x86_64
cups-libs-2.2.6-19.fc28.x86_64
cups-pk-helper-0.2.6-5.fc28.x86_64
gutenprint-cups-5.2.14-1.fc28.x86_64
python3-cups-1.9.72-20.fc28.x86_64
thunderbird-60.0-1.fc28.x86_64