This bug was fixed in the package ubuntu-themes - 16.10+17.10.20170918-0ubuntu1
--------------- ubuntu-themes (16.10+17.10.20170918-0ubuntu1) artful; urgency=medium [ Carlo Lobrano ] * Added support for GtkTextView::monospace (LP: #1700218) * Fixes support GtkTreeView separators (LP: #1701512) * Made dimmed text more visible in Gnome Boxes with Ambiance (LP: #1700100) * Added support for vertically linked buttons (LP: #1708141) [ Marco Trevisan (Treviño) ] * Radiance: use proper button border-image-source for headerbar elements (LP: #1692925) * Ambiance, Radiance: ignore titlebutton theming for appmenu * Ambiance, Radiance: add better definition for button destructive- action (LP: #1697900) -- Marco Trevisan (Treviño) <m...@3v1n0.net> Mon, 18 Sep 2017 18:25:27 +0000 ** Changed in: ubuntu-themes (Ubuntu) Status: In Progress => Fix Released -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ubuntu-themes in Ubuntu. https://bugs.launchpad.net/bugs/1701512 Title: Ambiance and Radiance Gtk theme do not properly support GtkTreeView separators Status in Ubuntu theme: In Progress Status in ubuntu-themes package in Ubuntu: Fix Released Bug description: When using a GtkTreeView with separators (via set_row_separator_func), the Ambiance (and Radiance) themes do not render the treeview correctly, and it glitches the rows as you move your mouse over it. This issue is not present with the default Gtk+ theme, Adwaita. A simple python script to show a treeview that exhibits the bug is attached. Behavior is exhibited on Ubuntu 17.04 (https://github.com/exaile/exaile/issues/362#issuecomment-308685640) Originally reported to the Exaile project at https://github.com/exaile/exaile/issues/362. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-themes/+bug/1701512/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp