[Python-checkins] [docs] Update documentation for `multiprocessing.get_start_method` (GH-18170) (GH-28535)

ambv webhook-mailer at python.org
Thu Sep 23 17:39:30 EDT 2021

commit: 8344fef7dc2cf0ef8a33449df9c165247fb37a3a
branch: 3.8
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: ambv <lukasz at langa.pl>
date: 2021-09-23T23:39:26+02:00

[docs] Update documentation for `multiprocessing.get_start_method` (GH-18170) (GH-28535)

(cherry picked from commit af90b5498b8c6acd67b50fdad007d26dfd1c5823)

Co-authored-by: Sam Sneddon <me at gsnedders.com>

M Doc/library/multiprocessing.rst

diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index 5777344953a77..360cd89fe91d5 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -1019,7 +1019,13 @@ Miscellaneous
    The return value can be ``'fork'``, ``'spawn'``, ``'forkserver'``
    or ``None``.  ``'fork'`` is the default on Unix, while ``'spawn'`` is
-   the default on Windows.
+   the default on Windows and macOS.
+.. versionchanged:: 3.8
+   On macOS, the *spawn* start method is now the default.  The *fork* start
+   method should be considered unsafe as it can lead to crashes of the
+   subprocess. See :issue:`33725`.
    .. versionadded:: 3.4

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