Merge pull request #3128 from solarissmoke/feature/21-release-notes

Add stub release notes for 2.1, and document changes in #3017.

docs/source/releases/v2.1.rst

@@ -0,0 +1,42 @@
+=======================
+Oscar 2.1 release notes (in development)
+=======================
+
+:release: tbd
+
+Welcome to Oscar 2.1.
+
+.. contents::
+    :local:
+    :depth: 1
+
+.. _compatibility_of_2.1:
+
+Compatibility
+~~~~~~~~~~~~~
+
+
+.. _new_in_2.1:
+
+What's new in Oscar 2.1?
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+- The database performance of ``offer.Range.all_products()`` was substantially
+  improved. The internals of that method have changed and specifically
+  ``Range.invalidate_cached_ids()`` has been removed and replaced with
+  ``Range.invalidate_cached_queryset()``.
+
+
+Removal of deprecated features
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+
+Dependency changes
+~~~~~~~~~~~~~~~~~~
+
+
+
+.. _deprecated_features_in_2.1:
+
+Deprecated features
+~~~~~~~~~~~~~~~~~~

src/oscar/apps/offer/abstract_models.py

@@ -32,7 +32,7 @@ load_proxy, unit_price = get_classes('offer.utils', ['load_proxy', 'unit_price']
 class ReverseStartsWith(StartsWith):
     """
     Adds a new lookup method to the django query language, that allows the
-    folowing syntax::
+    following syntax::
 
         henk_rstartswith="koe"
 
@@ -53,12 +53,12 @@ class ReverseStartsWith(StartsWith):
     based on that their depth starts with the depth string of the parent.
     """
     def process_rhs(self, compiler, connection):
-        return super(ReverseStartsWith, self).process_lhs(compiler, connection)
+        return super().process_lhs(compiler, connection)
 
     def process_lhs(self, compiler, connection, lhs=None):
         if lhs is not None:
             raise Exception("Flipped process_lhs does not accept lhs argument")
-        return super(ReverseStartsWith, self).process_rhs(compiler, connection)
+        return super().process_rhs(compiler, connection)
 
 
 Field.register_lookup(ReverseStartsWith, "rstartswith")