You have been subscribed to a public bug: If you check the balloon arrow in the picture (just below the Save button) you can see as that part is very blurry compared to the other parts of the balloon.
ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: light-themes 16.10+17.10.20170703-0ubuntu1 ProcVersionSignature: Ubuntu 4.11.0-10.15-generic 4.11.8 Uname: Linux 4.11.0-10-generic x86_64 ApportVersion: 2.20.5-0ubuntu5 Architecture: amd64 CurrentDesktop: GNOME Date: Tue Jul 18 22:50:47 2017 InstallationDate: Installed on 2015-03-21 (850 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150321) PackageArchitecture: all SourcePackage: ubuntu-themes UpgradeStatus: Upgraded to artful on 2017-07-18 (0 days ago) ** Affects: gtk+3.0 (Ubuntu) Importance: Low Status: Incomplete ** Tags: amd64 apport-bug artful gnome-17.10 julyshakedown third-party-packages visual-quality wayland-session -- GTK bubble menu arrows have jaggies when not pointing straight up https://bugs.launchpad.net/bugs/1705127 You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gtk+3.0 in Ubuntu. -- 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