A list of headers that the RedHat bugzilla includes in e-mails that it sends.
Upgraded to Fedora 23 and it works like a charm!
There is now a do not disturb extension for Gnome Shell that sets the session status to "busy".
The Gnome 3.16 UI redesign redid the notification area and the "Busy" switch was lost in the process. This post documents a command line way of doing it, as noted on the Fedora workstation mailing list.
Yes. I understand you wouldn't want to restore all your XXGBs of data to get back a lost file. Please have a look at the following links to restore single files.