Hello,
I would like to try to work on the #26481 ticket, and I'm new to the inner workings of Django, but I thinks it's the best way to learn more about it.
Several enhancements / modifications are related to this ticket :
* The first one is adding a strict argument to only() that will raise an AttributeError.
* The second one is adding option to the DATABASES settings to enable logging/warning (Maybe something like DATABASES[]['STRICT_DEFER_ALERT']). Or maybe using the -W option of Python.
I would like to have opinions about the best API to implement, and to know if nobody is already working on this ticket.
Thanks.