Steps to replicate the issue (include links if applicable):
- Load Special:CheckUser
- Choose a period of something other than 'all'
- Run the check
The results returned are from all time
What should have happened instead?:
The results should have been time limited
Software version (skip for WMF-hosted wikis like Wikipedia):
CheckUser and core on the master branch
Other information (browser name/version, screenshots, etc.):
Caused by https://gerrit.wikimedia.org/r/c/mediawiki/core/+/863446. The phan check to flag this as an issue did not come until later, and obviously there wasn't a check on whether this would affect those who override the stable to override method.
Example (note the from the last week only and how it shows data from November):