[[File:Disabled.jpg|Disabled]]
<br />
* Landed implementation in FF 42: https://bugzilla.mozilla.org/buglist.cgi?f1=target_milestone&f2=status_whiteboard&o1=substring&o2=substring&v1=Firefox%2042&v2=%5Bfxprivacy%5D&list_id=12411033
* Remaining work until: https://bugzilla.mozilla.org/buglist.cgi?bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&f1=status_whiteboard&f2=flagtypes.name&f3=status_whiteboard&f4=cf_rank&o1=substring&o2=substring&o3=notsubstring&o4=isnotempty&priority=P1&v1=%5Bfxprivacy%5D&v2=firefox-backlog%2B&v3=%5Buserstory%5D&list_id=12411032
===Enabling the feature===
