.. bpo: 31715
.. date: 2018-08-15-16-22-30
.. nonce: Iw8jS8
.. release date: 2018-12-23
.. section: Library

Associate ``.mjs`` file extension with ``application/javascript`` MIME Type.

..

.. bpo: 35499
.. date: 2018-12-14-19-36-05
.. nonce: 9yAldM
.. section: Build

``make profile-opt`` no longer replaces ``CFLAGS_NODIST`` with ``CFLAGS``.
It now adds profile-guided optimization (PGO) flags to ``CFLAGS_NODIST``:
existing ``CFLAGS_NODIST`` flags are kept.

..

.. bpo: 35257
.. date: 2018-12-05-22-28-40
.. nonce: dmcd_s
.. section: Build

Avoid leaking the linker flags from Link Time Optimizations (LTO) into
distutils when compiling C extensions.

..

.. bpo: 35259
.. date: 2018-11-22-13-52-36
.. nonce: p07c61
.. section: C API

Conditionally declare :c:func:`Py_FinalizeEx()` (new in 3.6) based on
Py_LIMITED_API. Patch by Arthur Neufeld.
