[1.6.x] Added release note for #21473
[1.6.x] Added release note for #21473

redhat-openstack/django,felixjimenez/django,django-nonrel/django,django-nonrel/django,dex4er/django,redhat-openstack/django,django-nonrel/django,dex4er/django,redhat-openstack/django,felixjimenez/django,redhat-openstack/django,dex4er/django,django-nonrel/django,felixjimenez/django,felixjimenez/django