Library
-------
+ - Issue #5421: Fix misleading error message when one of socket.sendto()'s
+ arguments has the wrong type. Patch by Nikita Vetoshkin.
+- Issue #10979: unittest stdout buffering now works with class and module
+ setup and teardown.
+
+- Issue #11577: fix ResourceWarning triggered by improved binhex test coverage
+
+- Issue #11243: fix the parameter querying methods of Message to work if
+ the headers contain un-encoded non-ASCII data.
+
- Issue #11401: fix handling of headers with no value; this fixes a regression
relative to Python2 and the result is now the same as it was in Python2.