This bug was fixed in the package ubuntu-themes - 16.10+16.10.20160908-0ubuntu1
--------------- ubuntu-themes (16.10+16.10.20160908-0ubuntu1) yakkety; urgency=medium
[ Iain Lane ] * Fix combobox menus having a black line down the left hand side
-- <email address hidden> (<email address hidden>) Thu, 08 Sep 2016 14:43:10 +0000
This bug was fixed in the package ubuntu-themes - 16.10+16. 10.20160908- 0ubuntu1
--------------- 16.10.20160908- 0ubuntu1) yakkety; urgency=medium
ubuntu-themes (16.10+
[ Iain Lane ]
* Fix combobox menus having a black line down the left hand side
-- <email address hidden> (<email address hidden>) Thu, 08 Sep 2016 14:43:10 +0000