On 26 Oct 2020 as I do recall,
Harriet Bazley wrote:
[snip]
It's at the right-hand end of individual group windows, to the right of
the 'users' and 'address book' icons, and towards the right of the main
window, to the left of the 'users' and 'address book' icons. The
shifting position is probably a historical accident of implementation
order....
