This bug was fixed in the package update-manager - 1:17.04.4
--------------- update-manager (1:17.04.4) zesty; urgency=medium
* update-manager: Clarify that the "-d" switch is only for upgrading from the latest supported release to the development release, not any release. (LP: #1700829)
-- Brian Murray <email address hidden> Fri, 14 Jul 2017 16:51:54 -0700
This bug was fixed in the package update-manager - 1:17.04.4
---------------
update-manager (1:17.04.4) zesty; urgency=medium
* update-manager: Clarify that the "-d" switch is only for upgrading from
the latest supported release to the development release, not any release.
(LP: #1700829)
-- Brian Murray <email address hidden> Fri, 14 Jul 2017 16:51:54 -0700