Thank you for reporting this bug to Ubuntu.
Ubuntu GNOME 16.04 (xenial) reached end-of-life in April 2019.
https://ubuntugnome.org/ubuntu-gnome-16-04-lts-is-here/
https://wiki.ubuntu.com/XenialXerus/ReleaseNotes/UbuntuGNOME
We appreciate that this bug may be old and you might not be interested
in
Andrew, was this with stock 16.04, or do you have gnome3-staging
enabled?
** Package changed: gnome-settings-daemon (Ubuntu) => mutter (Ubuntu)
** Changed in: ubuntu-gnome
Status: New => Fix Released
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Desktop Bugs, w
** Also affects: ubuntu-gnome
Importance: Undecided
Status: New
** Changed in: ubuntu-gnome
Milestone: None => yakkety
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