per the bug instructions, running
gdbus call -e -d com.ubuntu.Postal -o /com/ubuntu/Postal/_ -m com.ubuntu.Postal.Post _ubuntu-system-settings '"null"'
on the device shell, would present a notification "update available" (or some such)
OK on top of dash
NOT OK on top of greeter
NOT OK with screen blanked
so, its my understanding this was proposed to fix https:/ /bugs.launchpad .net/unity- mir/+bug/ 1346367
unfortunately, I tested this MP against image #148
per the bug instructions, running Postal/ _ -m com.ubuntu. Postal. Post _ubuntu- system- settings '"null"'
gdbus call -e -d com.ubuntu.Postal -o /com/ubuntu/
on the device shell, would present a notification "update available" (or some such)
OK on top of dash
NOT OK on top of greeter
NOT OK with screen blanked