Python 3.9.0b1

Misc/NEWS.d/next/Library/2020-05-15-17-38-21.bpo-40479.yamSCh.rst

-The :mod:`hashlib` now compiles with OpenSSL 3.0.0-alpha2.

Misc/NEWS.d/next/Library/2020-05-15-19-53-18.bpo-37630.O5kgAw.rst

-The :mod:`hashlib` module can now use SHA3 hashes and SHAKE XOF from OpenSSL
-when available.

Misc/NEWS.d/next/Library/2020-05-15-21-57-10.bpo-40637.lb3Bnp.rst

-Builtin hash modules can now be disabled or selectively enabled with
-``configure --with-builtin-hashlib-hashes=sha3,blake1`` or ``--without-builtin-hashlib-hashes``.

Misc/NEWS.d/next/Library/2020-05-16-17-05-02.bpo-40645.wYSkjT.rst

-The internal module ``_hashlib`` wraps and exposes OpenSSL's HMAC API. The new code will be used in Python 3.10 after the internal implementation details of the pure Python HMAC module are no longer part of the public API.

Misc/NEWS.d/next/Library/2020-05-16-19-34-38.bpo-40645.7ibMt-.rst

-The :class:`hmac.HMAC` exposes internal implementation details. The
-attributes ``digest_cons``, ``inner``, and ``outer`` are deprecated and will
-be removed in the future.

Misc/NEWS.d/next/Library/2020-05-17-14-00-12.bpo-40536.FCpoRA.rst

-Added the :func:`~zoneinfo.available_timezones` function to the
-:mod:`zoneinfo` module. Patch by Paul Ganssle.

Misc/NEWS.d/next/Library/2020-05-17-21-56-38.bpo-40665.msB7u5.rst

-Convert :mod:`bisect` to use Argument Clinic.
\ No newline at end of file

Misc/NEWS.d/next/Library/2020-05-18-12-56-45.bpo-40662.dfornR.rst

-Fixed :func:`ast.get_source_segment` for ast nodes that have incomplete location information. Patch by Irit Katriel.

Misc/NEWS.d/next/Security/2020-05-06-00-41-11.bpo-40501._61wv_.rst

-:mod:`uuid` no longer uses :mod:`ctypes` to load :file:`libuuid` or
-:file:`rpcrt4.dll` at runtime.

Misc/NEWS.d/next/Tests/2020-04-29-16-08-24.bpo-40436.gDMnYl.rst

-test_gdb and test.pythoninfo now check gdb command exit code.

Misc/NEWS.d/next/Tests/2020-05-15-01-21-44.bpo-40055.Xp4aP9.rst

-distutils.tests now saves/restores warnings filters to leave them unchanged.
-Importing tests imports docutils which imports pkg_resources which adds a
-warnings filter.

Misc/NEWS.d/next/Tools-Demos/2020-04-03-08-32-31.bpo-40163.lX8K4B.rst

-Fix multissltest tool. OpenSSL has changed download URL for old releases.
-The multissltest tool now tries to download from current and old download
-URLs.

Misc/NEWS.d/next/Tools-Demos/2020-04-29-01-32-17.bpo-40431.B_aEZ0.rst

-Fix a syntax typo in ``turtledemo`` that now raises a ``SyntaxError``.

Misc/NEWS.d/next/Tools-Demos/2020-05-15-17-48-25.bpo-40479.B1gBl-.rst

-Update multissltest helper to test with latest OpenSSL 1.0.2, 1.1.0, 1.1.1,
-and 3.0.0-alpha.

Misc/NEWS.d/next/Windows/2020-03-23-19-07-55.bpo-39148.W1YJEb.rst

-Add IPv6 support to :mod:`asyncio` datagram endpoints in ProactorEventLoop.
-Change the raised exception for unknown address families to ValueError
-as it's not coming from Windows API.

Misc/NEWS.d/next/Windows/2020-05-01-20-57-57.bpo-40458.Eb0ueI.rst

-Increase reserved stack space to prevent overflow crash on Windows.

Misc/NEWS.d/next/Windows/2020-05-17-00-08-13.bpo-40650.4euMtU.rst

-Include winsock2.h in pytime.c for timeval.
\ No newline at end of file

Misc/NEWS.d/next/macOS/2020-04-15-00-02-47.bpo-35569.02_1MV.rst

-Expose RFC 3542 IPv6 socket options.

Misc/NEWS.d/next/macOS/2020-05-18-02-43-11.bpo-34956.35IcGF.rst

-_tkinter now builds and links with non-system Tcl and Tk frameworks if they
-are installed in /Library/Frameworks as had been the case on older releases
-of macOS. If a macOS SDK is explicitly configured, by using ./configure
---enable-universalsdk= or -isysroot, only a Library/Frameworks directory in
-the SDK itself is searched. The default behavior can still be overridden with
-configure --with-tcltk-includes and --with-tcltk-libs.

README.rst

-This is Python version 3.9.0 alpha 6
-====================================
+This is Python version 3.9.0 beta 1
+===================================
 
 .. image:: https://travis-ci.org/python/cpython.svg?branch=master
    :alt: CPython build status on Travis CI