The issues with DistUpgradeViewGtk3 have been fixed already. The first dpkg error is the following:
Regenerating fonts cache... failed. See /var/log/fontconfig.log for more information. dpkg: error processing package fontconfig (--configure): subprocess installed post-installation script returned error exit status 1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1549067 Title: Ubuntu GNOME Trusty to Xenial release upgrade fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1549067/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs