$wgSharedTables variable allows you to specify a list of tables to share.
* Automatic edit summaries can be disabled with $wgUseAutomaticEditSummaries
* Duplicates of images are now shown on the image page.
+* $wgRCFilterByAge allows for the list of dates in recent changes special pages to
+ be filtered to only those within the range of $wgRCMaxAge.
+* $wgRCLinkLimits and $wgRCLinkDays allow for customization of the list and limits
+ displayed on the recent changes special pages.
=== New features in 1.13 ===