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gh-148726: Add gc changes to What's New by hugovk · Pull Request #149398 · python/cpython · GitHub

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gh-148726: Add gc changes to What's New #149398

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hugovk merged 2 commits into from
May 5, 2026
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gh-148726: Add gc changes to What's New #149398

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Add gc changes to What's New
hugovk May 5, 2026
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hugovk May 5, 2026
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29 changes: 20 additions & 9 deletions Doc/whatsnew/3.15.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -999,15 +999,6 @@ difflib
(Contributed by Jiahao Li in :gh:`134580`.)


faulthandler
------------

* Added the *max_threads* parameter in :func:`faulthandler.enable`,
:func:`faulthandler.dump_traceback`, :func:`faulthandler.dump_traceback_later`,
and :func:`faulthandler.register`.
(Contributed by Eric Froemling in :gh:`149085`.)


email
-----

Expand All @@ -1018,6 +1009,15 @@ email
(Contributed by R David Murray and Mike Edmunds in :gh:`122540`.)


faulthandler
------------

* Added the *max_threads* parameter in :func:`faulthandler.enable`,
:func:`faulthandler.dump_traceback`, :func:`faulthandler.dump_traceback_later`,
and :func:`faulthandler.register`.
(Contributed by Eric Froemling in :gh:`149085`.)


functools
---------

Expand All @@ -1030,6 +1030,17 @@ functools
(Contributed by Bartosz Sławecki in :gh:`143535`.)


gc
--

* Python 3.14.0-3.14.4 shipped with a new incremental garbage collector.
However, due to a number of `reports
<https://github.com/python/cpython/issues/142516>`__
of significant memory pressure in production environments,
it has been reverted back to the generational GC from 3.13.
This is the GC now used in Python 3.14.5 and later and Python 3.15.


hashlib
-------

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