Split out from T376814
Steps to replicate the issue (include links if applicable):
- locally add $wgRCWatchCategoryMembership = true;
- add a category to your watchlist; e.g. https://en.wikipedia.beta.wmflabs.org/wiki/Category:Wikipedia_how-to
- add a page to said category;
- open the desktop watchlist;
- add the filter "Category changes";
- save the current filter settings and set them as default using the bookmark icon
- open mobile site
- make sure advanced mode is disabled
- open the mobile watchlist.
What happens?:
What should have happened instead?:
No overlap
Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):
Other information (browser name/version, screenshots, etc.):