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Pull requests: python/cpython
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GH-143948: Explain graphlib's cycle-finding code
awaiting core review
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stdlib
Standard Library Python modules in the Lib/ directory
#143950
opened Jan 17, 2026 by
tim-one
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gh-142913: fix
_testinternalcapi build failure due to undefined JIT symbols
awaiting review
#143949
opened Jan 17, 2026 by
cocolato
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gh-143943: add missing header file for
pycore_optimizer_types.h
awaiting review
#143947
opened Jan 17, 2026 by
cocolato
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Notify Sviat of GHA changes through codeowners
awaiting merge
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
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#143945
opened Jan 16, 2026 by
webknjaz
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GH-143941: Move WASI-related files to Platforms/WASI
awaiting merge
#143942
opened Jan 16, 2026 by
brettcannon
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Doc: clarify os.rename doesn't atomically replace dst contents (gh-143909)
awaiting review
docs
Documentation in the Doc dir
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#143937
opened Jan 16, 2026 by
Yashp002
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gh-143935: Email preserve parens when folding comments
awaiting review
stdlib
Standard Library Python modules in the Lib/ directory
topic-email
type-security
A security issue
#143936
opened Jan 16, 2026 by
sethmlarson
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gh-141707: Skip TarInfo DIRTYPE normalization during GNU long name ha…
stdlib
Standard Library Python modules in the Lib/ directory
type-security
A security issue
#143934
opened Jan 16, 2026 by
sethmlarson
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gh-143930: Reject leading dashes in webbrowser URLs
awaiting review
needs backport to 3.10
only security fixes
needs backport to 3.11
only security fixes
needs backport to 3.12
only security fixes
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
stdlib
Standard Library Python modules in the Lib/ directory
type-security
A security issue
#143931
opened Jan 16, 2026 by
sethmlarson
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gh-143927: Normalize all line endings (CR, CRLF, and LF) in configparser
awaiting review
needs backport to 3.10
only security fixes
needs backport to 3.11
only security fixes
needs backport to 3.12
only security fixes
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
type-security
A security issue
#143929
opened Jan 16, 2026 by
sethmlarson
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gh-143925: Reject control characters in data: URL mediatypes
awaiting review
needs backport to 3.10
only security fixes
needs backport to 3.11
only security fixes
needs backport to 3.12
only security fixes
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
type-security
A security issue
#143926
opened Jan 16, 2026 by
sethmlarson
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gh-143923: Reject control characters in POP3 commands
awaiting review
needs backport to 3.10
only security fixes
needs backport to 3.11
only security fixes
needs backport to 3.12
only security fixes
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
type-security
A security issue
#143924
opened Jan 16, 2026 by
sethmlarson
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gh-143921: Reject control characters in IMAP commands
awaiting review
needs backport to 3.10
only security fixes
needs backport to 3.11
only security fixes
needs backport to 3.12
only security fixes
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
type-security
A security issue
#143922
opened Jan 16, 2026 by
sethmlarson
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gh-143919: Reject control characters http cookies
awaiting review
needs backport to 3.10
only security fixes
needs backport to 3.11
only security fixes
needs backport to 3.12
only security fixes
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
type-security
A security issue
#143920
opened Jan 16, 2026 by
sethmlarson
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gh-143916: Reject control characters in wsgiref.headers.Headers
awaiting review
needs backport to 3.10
only security fixes
needs backport to 3.11
only security fixes
needs backport to 3.12
only security fixes
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
type-security
A security issue
#143917
opened Jan 16, 2026 by
sethmlarson
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gh-143005: prevent incompatible __class__ reassignment for ctypes arrays
awaiting review
#143907
opened Jan 16, 2026 by
VanshAgarwal24036
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gh-143869: Add PEP 757 functions to the limited API
awaiting review
#143906
opened Jan 16, 2026 by
skirpichev
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gh-143904: Raise OverflowError instead of IndexError for too large offset in struct.pack_into()
awaiting merge
#143905
opened Jan 16, 2026 by
serhiy-storchaka
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gh-143897: Remove the isxidstart() and isxidcontinue() methods of unicodedata.ucd_3_2_0
awaiting merge
#143898
opened Jan 16, 2026 by
serhiy-storchaka
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gh-141004: Document Documentation in the Doc dir
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PyException_HEAD and PyDescr_COMMON
awaiting merge
docs
#143896
opened Jan 16, 2026 by
ZeroIntensity
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gh-130415: Narrowing to constants in branches involving is comparisons with a constant
awaiting changes
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#143895
opened Jan 15, 2026 by
reidenong
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gh-143820: ENTER_EXECUTOR can be inserted after BINARY_OP_INPLACE_ADD_UNICODE
awaiting changes
#143894
opened Jan 15, 2026 by
Fidget-Spinner
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gh-106318: Improve str.rstrip() method doc
awaiting review
docs
Documentation in the Doc dir
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#143893
opened Jan 15, 2026 by
adorilson
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gh-143637: Fix re-entrant mutation of ancillary data in socket.sendmsg()
awaiting review
#143892
opened Jan 15, 2026 by
priyanshu2282-cyber
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