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Cpython v3.15.0a4

Cpython: v3.15.0a4 Release

Release date:
January 13, 2026
Previous version:
v3.15.0a3 (released December 16, 2025)
Magnitude:
2,947 Diff Delta
Contributors:
18 total committers
Data confidence:
Commits:
27 impacting commits

35 Features Released with v3.15.0a4

gh-138122: Allow tachyon to write and read binary output
#142730
gh-139109: Add terminator to JIT code when halting due to invalid dependencies
#143033
gh-143010: Prevent a TOCTOU issue by only calling open once
#143011
gh-142368: Fix transient error handling in inspection tests
#143093
gh-138122: Add blocking mode for accurate stack traces in Tachyon
#142998
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Top Contributors in v3.15.0a4

Zheaoli
chris-eibl
fatelei
ivonastojanovic
jihugo
StanFromIreland
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stratakis
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benjaminJohnson2204

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