Begin releae anouncement

Author: carltongibson

docs/topics/3.7-announcement.md

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+
+# Django REST framework 3.7
+
+The 3.7 release focuses on improvements to schema generation and interactive API
+documentation.
+
+## Per-view customisation of schema generation.
+
+`APIView` now exposes a `schema` attribute. By default this is an instance of
+`rest_framwork.schemas.AutoSchema`. You can subclass this to customise schema
+generation on a per-view basis, whilst maintaining the default schema generation
+elsewhere.
+
+See [Schema Docs][schema-docs] for full details.
+
+[schema-docs]: ../api-guide/schemas.md
+
+## Deprecations
+
+### `exclude_from_schema`
+
+Both `APIView.exclude_from_schema` and the `exclude_from_schema` argument to the
+`@api_view` decorator and now `PendingDeprecation`.
+
+For `APIView` set `schema = None`. For function based views use the `@schema`
+decorator passing `None`.
+
+
+