Possibly the pixels under the scrollbar are being painted as white before the scrollbar itself gets painted. So any transparency in the theme won't come out right, but is still technically transparent.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gtk+3.0 in Ubuntu. https://bugs.launchpad.net/bugs/1691678 Title: Scrollbars escape the bottom and right side of the Terminal window by 1px Status in GNOME Terminal: Fix Released Status in gnome-terminal package in Ubuntu: Triaged Status in gtk+3.0 package in Ubuntu: New Status in yaru-theme package in Ubuntu: Fix Released Bug description: Ubuntu's orange overlay scrollbars escape the bottom of the window during resizing. To reproduce try gnome-shell on artful using the Ambiance theme. Open a Terminal window and resize it vertically, quickly. Notice the bottom of the overlay scrollbar overruns the bottom of the window. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: gnome-shell 3.24.2-0ubuntu3 ProcVersionSignature: Ubuntu 4.10.0-20.22-generic 4.10.8 Uname: Linux 4.10.0-20-generic x86_64 ApportVersion: 2.20.5-0ubuntu3 Architecture: amd64 Date: Thu May 18 15:28:33 2017 DisplayManager: lightdm GsettingsChanges: b'org.gnome.shell' b'app-picker-view' b'uint32 1' b'org.gnome.shell' b'favorite-apps' b"['firefox.desktop', 'org.gnome.Terminal.desktop', 'rhythmbox.desktop', 'org.gnome.Nautilus.desktop', 'org.gnome.Software.desktop', 'yelp.desktop']" b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'" b'org.gnome.desktop.interface' b'scaling-factor' b'uint32 1' InstallationDate: Installed on 2017-05-03 (15 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170502) SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-terminal/+bug/1691678/+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