Add changelog file

diff --git a/doc/build/changelog/unreleased_20/9156.rst b/doc/build/changelog/unreleased_20/9156.rst
new file mode 100644 (file)
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+++ b/doc/build/changelog/unreleased_20/9156.rst
@@ -0,0 +1,7 @@
+.. change::
+    :tags: bug, typing
+    :tickets: 9156
+
+    The :meth:`_expression.ColumnElement.cast` is typed to accept
+    both ``Type[TypeEngine[T]]`` and ``TypeEngine[T]`` rather only
+    ``TypeEngine[T]``.
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