Manual:$wgDeleteRevisionsLimit

Access: $wgDeleteRevisionsLimit
Integer of how many revisions a page must have before the bigdelete right is required to delete it.
Introduced in version:1.12.0 (r29872)
Removed in version:Still in use
Allowed values:(integer >= 0)
Default value:0

Details

Once articles have this many revisions, the bigdelete right is required on top of the normal delete right. On Wikimedia projects, it's usually set to 5000.

See also