|Open||None||T18660 Database table cleanup (tracking)|
|Duplicate||None||T18036 Number of category members (PAGESINCATEGORY) is inaccurate for large categories|
|Resolved||TTO||T18765 Write a maintenance script to refresh category member counts|
|Resolved||Urbanecm||T170737 Run recountCategories.php on Wikimedia wikis|
|Duplicate||BUG REPORT||None||T272821 Chinese Wikipedia: category has -1 page|
This problem seems to exist on all wikies and has been causing complaints for over 10 years. Closing this in favor of T85696: Allow action=purge to recalculate the number of pages/subcats/files in a category. The negative record is -12 for now.