There are currently no open bugs.

"libphp-swiftmailer" versions published in Ubuntu

Bionic (5.4.2-1.1): universe/php
Artful (5.4.2-1.1): universe/php
Zesty (5.4.2-1.1): universe/php
Xenial (5.4.1-1ubuntu1): universe/php
Trusty (4.2.1-1): universe/php
Precise (4.1.3-1): universe/php