MediaWiki extension OnlyRecentRecentChanges

The behaviour of the recent changes view is changed 
so that any changed article is only listed once, 
older changes are not listed any longer.

Manual and homepage of the extension
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https://www.mediawiki.org/wiki/Extension:OnlyRecentRecentChanges

Installation
============

cd $IP/extensions
git clone https://gerrit.wikimedia.org/r/p/mediawiki/extensions/OnlyRecentRecentChanges

add the following line to your LocalSettings.php:
require_once( "$IP/extensions/OnlyRecentRecentChanges/OnlyRecentRecentChanges.php" );