There are currently no open bugs.

"xfwm4-themes" versions published in Ubuntu

Bionic (4.10.0-2): universe/x11
Artful (4.10.0-2): universe/x11
Xenial (4.10.0-2): universe/x11
Trusty (4.10.0-2): universe/x11
Precise (4.6.0-3): universe/x11