Issues · python/cpython
Caching the tuple hash calculation speeds up some code significantly performance Performance or resource usage
#131525 opened Mar 20, 2025 by mdboom
Improve platform CLI
type-feature
A feature request or enhancement
#131524 opened Mar 20, 2025 by Harry-Lees
clang-cl on Windows fails to compile after 131438
#131521 opened Mar 20, 2025 by chris-eibl
Adding most_common_value to collections.Counter
type-feature
A feature request or enhancement
#131517 opened Mar 20, 2025 by asross
Code generator is overly restrictive about writing to input variables. type-bug An unexpected behavior, bug, or error
#131513 opened Mar 20, 2025 by markshannon
Deprecate PyASCIIObject/PyUnicodeObject topic-C-API type-feature A feature request or enhancement
#131510 opened Mar 20, 2025 by encukou
Syntax highlighting in PyREPL topic-repl Related to the interactive shell type-feature A feature request or enhancement
#131507 opened Mar 20, 2025 by ambv
Checking len bounds after usage easy extension-modules C modules in the Modules dir
#131505 opened Mar 20, 2025 by naya451
Segfault when attempting to run chirp
pending
The issue will be closed if no feedback is provided
type-crash
A hard crash of the interpreter, possibly with a core dump
#131503 opened Mar 20, 2025 by clin1234
Top-of-stack caching in the interpreter
#131498 opened Mar 20, 2025 by markshannon
GzipFile leaves GzipFile.myfileobject open in constructor if exception is raised stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error
#131492 opened Mar 20, 2025 by graingert
collections.defaultdict documentation is confusing docs Documentation in the Doc dir
#131490 opened Mar 20, 2025 by tekknolagi
_Py_ExecutorDetach undefined when configured with --enable-experimental-jit=yes type-bug An unexpected behavior, bug, or error
#131488 opened Mar 20, 2025 by smontanaro
Intermittent test failure on iOS during test_interpreters stress test: RuntimeError: Failed to import encodings module
3.13
bugs and security fixes
3.14
new features, bugs and security fixes
topic-subinterpreters
type-bug
An unexpected behavior, bug, or error
#131485 opened Mar 20, 2025 by freakboy3742
PYTHONSAFEPATH still includes the current directory on Windows for script entrypoints type-bug An unexpected behavior, bug, or error
#131484 opened Mar 19, 2025 by nedbat
glob.translate incorrectly treats *** type-bug An unexpected behavior, bug, or error
#131478 opened Mar 19, 2025 by dkaszews
clang-cl on Windows still needs PreferredToolArchitecture
#131473 opened Mar 19, 2025 by chris-eibl
concurrent.futures.Executor.map temporarily exceeds its buffersize while collecting the next result
type-bug
An unexpected behavior, bug, or error
#131466 opened Mar 19, 2025 by ebonnal
ResourceWarning in GzipFile (write mode) if constructor raises (3.14 only) 3.14 new features, bugs and security fixes type-bug An unexpected behavior, bug, or error
#131461 opened Mar 19, 2025 by graingert
Typo in BNF description of function signatures docs Documentation in the Doc dir
#131457 opened Mar 19, 2025 by brendan-m-murphy
ThreadPoolexecutor doesnt release memory pending The issue will be closed if no feedback is provided type-bug An unexpected behavior, bug, or error
#131448 opened Mar 19, 2025 by ansultan1
ProcessPoolExecutor only schedule tasks on 1 CPU when systemwise isolcpus is enabled
topic-multiprocessing
type-bug
An unexpected behavior, bug, or error
#131439 opened Mar 19, 2025 by KokeCacao
random.randint performance improvement performance Performance or resource usage stdlib Python modules in the Lib dir type-feature A feature request or enhancement
#131435 opened Mar 18, 2025 by dg-pb
datetime.strptime no longer raises ValueError: stray % in format '%Y %'
extension-modules
C modules in the Modules dir
stdlib
Python modules in the Lib dir
type-bug
An unexpected behavior, bug, or error
#131434 opened Mar 18, 2025 by westandskif
New REPL crashes on an empty DELETE_WORD_BACKWARDS (^W) followed by CLEAR_TO_START (^K) stdlib Python modules in the Lib dir topic-repl Related to the interactive shell type-bug An unexpected behavior, bug, or error
#131430 opened Mar 18, 2025 by Christopher-Chianelli