This bug was fixed in the package gtk+3.0 - 3.22.30-1ubuntu4
--------------- gtk+3.0 (3.22.30-1ubuntu4) bionic; urgency=medium
* debian/patches/print-dialog-check-cups-custom-options.patch: - Print dialog: Check whether an unknown option setting is actually a custom setting, patch from upstream (LP: #1763520, Upstream merge request: #434, #717).
-- Till Kamppeter <email address hidden> Wed, 5 Jun 2019 15:46:01 +0200
This bug was fixed in the package gtk+3.0 - 3.22.30-1ubuntu4
---------------
gtk+3.0 (3.22.30-1ubuntu4) bionic; urgency=medium
* debian/ patches/ print-dialog- check-cups- custom- options. patch:
- Print dialog: Check whether an unknown option setting is actually a
custom setting, patch from upstream (LP: #1763520, Upstream merge
request: #434, #717).
-- Till Kamppeter <email address hidden> Wed, 5 Jun 2019 15:46:01 +0200