1.. bpo: 31715 2.. date: 2018-08-15-16-22-30 3.. nonce: Iw8jS8 4.. release date: 2018-12-23 5.. section: Library 6 7Associate ``.mjs`` file extension with ``application/javascript`` MIME Type. 8 9.. 10 11.. bpo: 35499 12.. date: 2018-12-14-19-36-05 13.. nonce: 9yAldM 14.. section: Build 15 16``make profile-opt`` no longer replaces ``CFLAGS_NODIST`` with ``CFLAGS``. 17It now adds profile-guided optimization (PGO) flags to ``CFLAGS_NODIST``: 18existing ``CFLAGS_NODIST`` flags are kept. 19 20.. 21 22.. bpo: 35257 23.. date: 2018-12-05-22-28-40 24.. nonce: dmcd_s 25.. section: Build 26 27Avoid leaking the linker flags from Link Time Optimizations (LTO) into 28distutils when compiling C extensions. 29 30.. 31 32.. bpo: 35259 33.. date: 2018-11-22-13-52-36 34.. nonce: p07c61 35.. section: C API 36 37Conditionally declare :c:func:`Py_FinalizeEx()` (new in 3.6) based on 38Py_LIMITED_API. Patch by Arthur Neufeld. 39