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Cpython v3.13.8

Cpython: v3.13.8 Release

Release date:
October 7, 2025
Previous version:
v3.13.7 (released August 14, 2025)
Magnitude:
513 Diff Delta
Contributors:
10 total committers
Data confidence:
Commits:
25 impacting commits

113 Features Released with v3.13.8

[3.13] gh-116946: fully implement GC protocol for `_hashlib` objects (GH-138289)
#138326
[3.13] gh-138286: Run ``ruff`` on ``Tools/i18n`` (GH-138287)
#138524
[3.13] gh-139283: correctly handle `size` limit in `cursor.fetchmany()` (GH-139296)
#139444
[3.13] gh-116946: fully implement GC protocol for `zlib` objects (GH-138290)
#138328
[3.13] gh-116946: fully implement GC protocol for `_curses_panel.panel` (GH-138333)
#138428
[3.13] gh-116946: fully implement GC protocol for `lzma` objects (GH-138288)
#138323
[3.13] gh-116946: fully implement GC protocol for `bz2` objects (GH-138266)
#138322
[3.13] gh-137242: Add a --no-randomize option, and use it in Android CI (GH-138649)
#138685
[3.13] gh-138479: Ensure that `__typing_subst__` returns a tuple (GH-138482)
#138786
[3.13] gh-139400: Make sure that parent parsers outlive their subparsers in `pyexpat` (GH-139403)
#139608
[3.13] gh-139573: Update Android to OpenSSL 3.0.18 (GH-139562)
#139584
[3.13] gh-138744: GitHub Actions: pin to `windows-2022` (GH-138743)
#138753
[3.13] gh-123085: Fix issue in inferred caller when resource package has no source (GH-123102)
#124024
[3.13] gh-135261: bring back CI job for testing OpenSSL 1.1.1w (GH-135262)
#138110
[3.13] gh-138081: Fix/remove incorrect links in `idlelib/HISTORY.txt` (GH-138091)
#138125
[3.13] gh-106318: Add example for `str.find()` (GH-134529)
#138175
[3.13] gh-137740: Clarify `__del__` invocation mechanism in reference counting (GH-137741)
#138112
[3.13] enhance docs for critical sections (GH-137334)
#138168
[3.13] gh-138257: Fix internal `RuleCollectorVisitor` attribute name (GH-138208)
#138260
[3.13] gh-138158: Use the `"data"` tarfile extraction filter in `Tools/ssl/multissltests.py` (GH-138147)
#138263
[3.13] gh-123858: Improve Doc: SyntaxWarning is emitted during bytecode generation (gh-122844)
#138243
[3.13] gh-137317: Fix inspect.signature() for class with wrapped __init__ or __new__ (GH-137862)
#138225
[3.13] gh-133829: Remove some specifics from the ``zipimport`` example (GH-133835)
#138273
[3.13] gh-116946: Revert GC protocol for immutable empty heap types (GH-138322, GH-138323, GH-138326)
#138337
[3.13] gh-89905: Correct `-R` option doc (GH-137608)
#138354
[3.13] gh-54874: Expand unicodedata module documentation (GH-138301)
#138345
[3.13] gh-136599: Add tests for long_hash (GH-138335)
#138391
[3.13] gh-138297 Point link in docs for `finally` to try/else, instead of if/else (GH-138298)
#138382
[3.13] gh-101100: Resolve reference warnings in library/xml.sax.handler.rst (GH-136612)
#138422
[3.13] Doc: Track file downloads via plausible (GH-138393)
#138397

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Top Contributors in v3.13.8

StanFromIreland
picnixz
freakboy3742
ZeroIntensity
hartwork
jihugo
jaraco
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