.. bpo: 37437
.. date: 2019-06-27-20-33-50
.. nonce: du39_A
.. release date: 2019-07-02
.. section: Library

Update vendorized expat version to 2.2.7.

..

.. bpo: 34602
.. date: 2019-07-02-01-06-47
.. nonce: 10d4wl
.. section: macOS

Avoid test suite failures on macOS by no longer calling resource.setrlimit
to increase the process stack size limit at runtime.  The runtime change is
no longer needed since the interpreter is being built with a larger default
stack size.
