- ✓ Deleting an user doesn't properly clean-up the user's postings and leaves the entries table in a dirty state
An update to 5.2.1 is highly recommended. - Don't delete an user on version 5.0.0+ before updating to 5.2.1. A manual DB fix is possible and not very complicated, open an issue if you ran into this issue and require assistance.
For a quick in-place upgrade just update