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Cpython v3.15.0a3

Cpython: v3.15.0a3 Release

Release date:
December 16, 2025
Previous version:
v3.15.0a2 (released March 7, 2026)
Magnitude:
12,071 Diff Delta
Contributors:
47 total committers
Data confidence:
Commits:
121 impacting commits

215 Features Released with v3.15.0a3

Clarify that PyStructSequence is different from collections.namedtuple
#142626
gh-130536: Add details to `os.path` documentation
#130557
gh-124864: Extend smtplib documentation on ESMTP options format
#132547
gh-141004: Document missing generator APIs
#141409
gh-138189: Link references to type slots
#141410
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Top Contributors in v3.15.0a3

Zheaoli
StanFromIreland
nascheme
cmaloney
ZeroIntensity
diegorusso
ivonastojanovic
donBarbos
CuriousLearner
jihugo

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