Fixed #33924 -- Deprecated BaseGeometryWidget.map_height/map_width attributes.

docs/internals/deprecation.txt

@@ -32,6 +32,9 @@ details on these changes.
 
 * The ``django.contrib.postgres.fields.CIText`` mixin will be removed.
 
+* The ``map_width`` and ``map_height`` attributes of ``BaseGeometryWidget``
+  will be removed.
+
 .. _deprecation-removed-in-5.0:
 
 5.0

docs/ref/contrib/gis/forms-api.txt

@@ -106,6 +106,11 @@ from other Django widget attributes.
 
     Height and width of the widget map (default is 400x600).
 
+    .. deprecated:: 4.2
+
+        ``map_height`` and ``map_width`` attributes are deprecated, use CSS to
+        size map widgets instead.
+
 .. attribute:: BaseGeometryWidget.map_srid
 
     SRID code used by the map (default is 4326).
@@ -131,7 +136,7 @@ widget. For example::
 
     class MyGeoForm(forms.Form):
         point = forms.PointField(widget=
-            forms.OSMWidget(attrs={'map_width': 800, 'map_height': 500}))
+            forms.OSMWidget(attrs={'display_raw': True}))
 
 Widget classes
 --------------

docs/releases/4.2.txt

@@ -369,3 +369,6 @@ Miscellaneous
   collation.
 
 * ``django.contrib.postgres.fields.CIText`` mixin is deprecated.
+
+* The ``map_height`` and ``map_width`` attributes of ``BaseGeometryWidget`` are
+  deprecated, use CSS to size map widgets instead.