gnome-shell[2030]: Usage of object.actor is deprecated for MailnagIndicator
get@resource:///org/gnome/shell/ui/environment.js:242:29
vfunc_allocate@/usr/share/gnome-shell/extensions/mailnag@pulb.github.com/indicator.js:204:7
vfunc_allocate@resource:///org/gnome/shell/ui/panel.js:894:9
The culprit line is let direction = this.actor.get_text_direction();
For example,
The culprit line is
let direction = this.actor.get_text_direction();