Checkboxes (disabled for some/most namespaces), setting:
NEWSECTIONLINK
<meta property="mw:PageProp/newsectionlink">
NONEWSECTIONLINK
<meta property="mw:PageProp/nonewsectionlink">
NOGALLERY
<meta property="mw:PageProp/nogallery">
HIDDENCAT
<meta property="mw:PageProp/hiddencat">
NOCONTENTCONVERT
<meta property="mw:PageProp/nocontentconvert">
NOCC
<meta property="mw:PageProp/nocc">
NOTITLECONVERT
<meta property="mw:PageProp/notitleconvert">
NOTC
<meta property="mw:PageProp/notitleconvert">
NOEDITSECTION
<meta property="mw:PageProp/noeditsection">
NOINDEX
<meta property="mw:PageProp/noindex">
INDEX
<meta property="mw:PageProp/index">
STATICREDIRECT
<meta property="mw:PageProp/staticredirect">
… and possibly others.
Version: unspecified
Severity: enhancement