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 edit

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.