The problem still exists in zesty (despite is says "fix released" in a comment above).
** Tags added: zesty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1521987 Title: Sound is not automatically switched back from headphones to speakers To manage notifications about this bug go to: https://bugs.launchpad.net/pulseaudio/+bug/1521987/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs