entities similar to #1111798 possible problem with attribute override
Blog entry, Card, Email, ExtProject, File, License, Link, Mailing-list, Project, Tag, Ticket, Version (4)COUNT(tagged by)
#1079123 Have a fetch_attr like feature for RQL requests1
#1947456 ORM should not try to re-fetch initiator relation/entity1
#344207 namespace conflicts1
Migration in Python Web Frameworks ORMs1