[finalfantasia]

Yes, copy/paste between Firefox (on Wayland) and other apps was broken but was fixed in firefox-63.0.1-5.fc29.[1][2]

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1585393

[2] https://bodhi.fedoraproject.org/updates/FEDORA-2018-2d42997a...