Made ModelForms raise ImproperlyConfigured if the list of fields is not specified.

Also applies to modelform(set)_factory and generic model views.

refs #19733.

1 files changed, 7 insertions, 4 deletions

diff --git a/docs/ref/class-based-views/mixins-editing.txt b/docs/ref/class-based-views/mixins-editing.txt
index dbe1c91547..cfa343c937 100644
--- a/docs/ref/class-based-views/mixins-editing.txt
+++ b/docs/ref/class-based-views/mixins-editing.txt
@@ -129,15 +129,18 @@ ModelFormMixin
 
     .. attribute:: fields
 
-        .. versionadded:: 1.6
-
         A list of names of fields. This is interpreted the same way as the
         ``Meta.fields`` attribute of :class:`~django.forms.ModelForm`.
 
         This is a required attribute if you are generating the form class
         automatically (e.g. using ``model``). Omitting this attribute will
-        result in all fields being used, but this behavior is deprecated
-        and will be removed in Django 1.8.
+        result in an :exc:`~django.core.exceptions.ImproperlyConfigured`
+        exception.
+
+        .. versionchanged:: 1.8
+
+            Previously, omitting this attribute was allowed and resulted in
+            a form with all fields of the model.
 
     .. attribute:: success_url