Add a possibility to define categories that shouldn't be shown in Special:UncategorizedCategories
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Description

There should be a page in MediaWiki namespace or a configuration setting which allows to choose one (or more) category that shouldn't be listed on this special page. In this way, the main category of a wiki isn't displayed in this list anymore.

Event Timeline

MGChecker renamed this task from Add a possiblity to define categories that shouldn't be shown in Special:UncategorizedCategories to Add a possibility to define categories that shouldn't be shown in Special:UncategorizedCategories.
MGChecker raised the priority of this task from to Needs Triage.
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Florian triaged this task as Low priority.

Change 280507 had a related patch set uploaded (by Florianschmidtwelzow):
Allow to define exceptions for Special:UncategorizedCategories on-wiki

https://gerrit.wikimedia.org/r/280507

Consider that pages in MediaWiki namespace and configuration settings are centred and protected, whereas magic words are not.

I don't support a MediaWiki page. It's hard to maintain.

I have reopened the bug I merged as duplicate (which can still be resolved in similar way), as it's about different special pages.

Change 280507 merged by jenkins-bot:
Allow to define exceptions for Special:UncategorizedCategories on-wiki

https://gerrit.wikimedia.org/r/280507

Soft-redirected categories should still have a category (not uncategorized): the soft-redirect template should set this tracking category (and should detect those that are not empty in another tracking category for pages needing recategorization fixes).
So I don't think we need an exception for soft-redirected categories (including renamed categories pointing to another one).

On the opposite we should have an internal tracking category for categories that are hard redirected (and optionally have some members) for maintenance, because these categories are hard to visit (pages categorized in a hard-redirected category are showing the category in italic at the bottom of the page, so the detection is already there)