Manual:$wgLearnerMemberSince

Statistics and content analysis: $wgLearnerMemberSince
Determines the number of days needed since account creation to qualify at the "Learner" experience level.
Introduced in version:	1.29.0 (Gerrit change 321744; git #Ib2ac929)
Removed in version:	Still in use
Allowed values:	(integer)
Default value:	4
Other settings: Alphabetical \| By function

Details

This setting is used in the new recent changes filter introduced in MediaWiki 1.29 . This variable coincides with $wgLearnerEdits .