Missing restart button in Gnome 3.38
(1) - Describe the Issue
In Gnome 3.38, the system menu has a new Restart option. So, the restart option disappear from the shutdown window (when you click on shutdown button). It is necessary to add a "restart" button on arc menu to access restart function.
(2) - Linux distribution and version
Ubuntu 20.10
(3) - GNOME Shell version
GNOME Shell 3.37.91
(4) - ArcMenu version
48
(5) - Where was ArcMenu installed from?
extensions.gnome.org