Fixed #27735 -- Doc'd form widget l10n change (refs #15667).

docs/releases/1.11.txt

@@ -579,6 +579,11 @@ Some undocumented classes in ``django.forms.widgets`` are removed:
 The ``Widget.format_output()`` method is removed. Use a custom widget template
 instead.
 
+Some widget values, such as ``<select>`` options, are now localized if
+``settings.USE_L10N=True``. You could revert to the old behavior with custom
+widget templates that uses the :ttag:`localize` template tag to turn off
+localization.
+
 ``django.Template.render()`` prohibits non-dict context
 -------------------------------------------------------