I'm not sure this is definitely a gnome-shell bug. Window resizing is at the discretion of the app, and not the shell. So reassigning to evince.
** Package changed: gnome-shell (Ubuntu) => evince (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1579142 Title: Evince windows cannot be resized after upgrade to Xenial To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evince/+bug/1579142/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs