I installed gnome-session 3.18.1.2-1ubuntu1.16.04.2 and gnome-settings- daemon 3.18.2-0ubuntu3.1 from xenial-proposed, accomplished the test case, and can confirm that the variable assignments work as expected.
** Tags removed: verification-needed ** Tags added: verification-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1594681 Title: Don't override IM variables To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-session/+bug/1594681/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs