Manual:$wgRCChangedSizeThreshold

Recent changes, new pages, watchlist and history: $wgRCChangedSizeThreshold
Highlight character count difference lower than this.
Introduced in version:1.9.0 (r18237)
Removed in version:Still in use
Allowed values:(integer)
Default value:500

Details

If the difference between the character counts of the text before and after the edit is below that value, the value will be highlighted on the RC page.