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Pull requests: python/cpython
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GH-145273: warn when we can't find the standard library
awaiting core review
#145274
opened Feb 26, 2026 by
FFY00
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gh-145269: simplify bisect.bisect doc example
awaiting core review
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tests
Tests in the Lib/test dir
#145270
opened Feb 26, 2026 by
ngoldbaum
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gh-130555: Fix use-after-free in dict.clear() with embedded values
awaiting core review
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
#145268
opened Feb 26, 2026 by
colesbury
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gh-145264: Do not ignore excess Base64 data after the first padded quad
awaiting core review
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
#145267
opened Feb 26, 2026 by
serhiy-storchaka
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gh-145261: multiprocessing.shared_memory: fix ShareableList corruption for multi-byte strings and null bytes
awaiting review
#145266
opened Feb 26, 2026 by
zetzschest
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gh-145227: Clarify os.remove() directory exception is platform-dependent
awaiting review
docs
Documentation in the Doc dir
#145265
opened Feb 26, 2026 by
mohsinm-dev
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gh-145260: fix ResourceContainer/ResourceHandle for Traversable changes
awaiting review
#145263
opened Feb 26, 2026 by
zetzschest
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gh-145259: Fix xml.dom.pulldom dropping events produced by parser.close()
awaiting review
#145262
opened Feb 26, 2026 by
zetzschest
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gh-145254: Add thread safety annotation
awaiting core review
#145255
opened Feb 26, 2026 by
lysnikolaou
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gh-99631: Add shelve custom serialization to What's New in 3.15
awaiting review
docs
Documentation in the Doc dir
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#145253
opened Feb 26, 2026 by
furkanonder
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Fix unlikely potential reference leak in _locale._getdefaultlocale
awaiting core review
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
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#145250
opened Feb 26, 2026 by
serhiy-storchaka
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gh-143959: Fix test_datetime if _datetime is unavailable
awaiting core review
needs backport to 3.13
bugs and security fixes
needs backport to 3.14
bugs and security fixes
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tests
Tests in the Lib/test dir
#145248
opened Feb 26, 2026 by
serhiy-storchaka
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gh-135683: Ensure that WatchedFileHandler calls handleError on exceptions.
awaiting core review
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type-bug
An unexpected behavior, bug, or error
#145246
opened Feb 26, 2026 by
vsajip
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gh-145244: Fix use-after-free on borrowed dict key in json encoder
awaiting review
#145245
opened Feb 26, 2026 by
raminfp
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gh-145242: Add early validation for target in Thread and Process
awaiting review
#145243
opened Feb 26, 2026 by
gourijain029-del
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gh-117716: Fix wave RIFF padding for data chunks
awaiting review
#145237
opened Feb 25, 2026 by
mbeijen
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Vary compiler flags in Tests in the Lib/test dir
fuzz_pycompile
awaiting review
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tests
#145236
opened Feb 25, 2026 by
StanFromIreland
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gh-145235: Make dict watcher API thread-safe for free-threaded builds
awaiting review
#145233
opened Feb 25, 2026 by
yoney
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Fix bugs in
compute-changes.py logic for CIFuzz
awaiting core review
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#145232
opened Feb 25, 2026 by
StanFromIreland
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gh-142518: Document thread-safety guarantees of bytearray objects
awaiting core review
docs
Documentation in the Doc dir
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#145226
opened Feb 25, 2026 by
lysnikolaou
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gh-142518: Document thread-safety guarantees of set objects
awaiting core review
docs
Documentation in the Doc dir
needs backport to 3.14
bugs and security fixes
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#145225
opened Feb 25, 2026 by
lysnikolaou
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gh-142518: Improve mimalloc allocator docs
awaiting core review
docs
Documentation in the Doc dir
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#145224
opened Feb 25, 2026 by
lysnikolaou
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gh-145217: Add colour to Standard Library Python modules in the Lib/ directory
type-feature
A feature request or enhancement
pprint output
awaiting core review
stdlib
#145218
opened Feb 25, 2026 by
hugovk
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gh-145214: Narrow _GUARD_TOS_ANY_{SET,DICT} by using probable type
awaiting core review
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topic-JIT
#145215
opened Feb 25, 2026 by
corona10
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Updated in the last three days: updated:>2026-02-23.