Issue #14386: Expose the dict_proxy internal type as types.MappingProxyType
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index 766d3f3..495243f 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -1068,6 +1068,13 @@
 (Contributed by Victor Stinner in :issue:`10278`)
 
 
+types
+-----
+
+Add a new :class:`types.MappingProxyType` class: Read-only proxy of a mapping.
+(:issue:`14386`)
+
+
 urllib
 ------