The "Date format" user preference at [[mw:Special:Preferences#mw-prefsection-datetime]] should be moved to the "Appearance" user preference tab. This user preference affects the appearance of the site, so this feels like a natural fit.
This is step two of two steps to killing the "Date and time" user preference tab.
Version: 1.23.0
Severity: enhancement
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=63581
https://bugzilla.wikimedia.org/show_bug.cgi?id=63580