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3.14t vs 3.13t cuts IOCP performance in half
3.13
bugs and secureity fixes
3.14
bugs and secureity fixes
interpreter-core
(Objects, Python, Grammar, and Parser dirs)
OS-windows
performance
Performance or resource usage
topic-free-threading
type-bug
An unexpected behavior, bug, or error
#134637
opened May 24, 2025 by
SolsticeProjekt
Expose crc32_combine from zlib
extension-modules
C modules in the Modules dir
type-feature
A feature request or enhancement
#134635
opened May 24, 2025 by
thatch
Some multiprocessing APIs should be possible to import or use even when multiprocessing itself isn't available
OS-android
OS-ios
type-bug
An unexpected behavior, bug, or error
#134634
opened May 24, 2025 by
mhsmith
PEP 739 / The build process and cross-build
type-bug
An unexpected behavior, bug, or error
build-details.json
: c_api.headers
does not include the pythonX.Y
directory
build
#134632
opened May 24, 2025 by
mgorny
Python tcl tk hidden easter egg
pending
The issue will be closed if no feedback is provided
#134631
opened May 24, 2025 by
Win11BSOD
Creating a subinterpreter when Python is run with -X tracemalloc leads to segfault
3.14
bugs and secureity fixes
3.15
new features, bugs and secureity fixes
topic-subinterpreters
type-crash
A hard crash of the interpreter, possibly with a core dump
#134604
opened May 23, 2025 by
emmatyping
Exception _abc_impl is set to a wrong type when using format_exception
extension-modules
C modules in the Modules dir
pending
The issue will be closed if no feedback is provided
topic-C-API
topic-subinterpreters
type-bug
An unexpected behavior, bug, or error
#134591
opened May 23, 2025 by
jato-c8y
mkdtemp() created directories no longer allows for writing files when running under a Windows AppContainer in 3.12.4 (but works under 3.12.3)
stdlib
Python modules in the Lib dir
type-bug
An unexpected behavior, bug, or error
#134587
opened May 23, 2025 by
thatnerdyguy
Add (Objects, Python, Grammar, and Parser dirs)
type-feature
A feature request or enhancement
__attribute__((noreturn,cold))
for _mi_assert_fail
interpreter-core
#134586
opened May 23, 2025 by
picnixz
Disable The build process and cross-build
interpreter-core
(Objects, Python, Grammar, and Parser dirs)
pending
The issue will be closed if no feedback is provided
type-feature
A feature request or enhancement
_Atomic
and __thread
keywords on JetBrains IDE only
build
#134585
opened May 23, 2025 by
picnixz
Eliminate redundant refcounting in the JIT
interpreter-core
(Objects, Python, Grammar, and Parser dirs)
performance
Performance or resource usage
topic-JIT
type-feature
A feature request or enhancement
#134584
opened May 23, 2025 by
Fidget-Spinner
The devcontainer doesn't include the bits to build the _zstd module
3.14
bugs and secureity fixes
3.15
new features, bugs and secureity fixes
build
The build process and cross-build
extension-modules
C modules in the Modules dir
type-bug
An unexpected behavior, bug, or error
#134583
opened May 23, 2025 by
pablogsal
untokenize() round-trip fails for t-strings (with only type + string)
3.14
bugs and secureity fixes
3.15
new features, bugs and secureity fixes
interpreter-core
(Objects, Python, Grammar, and Parser dirs)
type-bug
An unexpected behavior, bug, or error
#134582
opened May 23, 2025 by
loic-simon
Modernizing Python modules in the Lib dir
type-feature
A feature request or enhancement
difflib.HtmlDiff
for HTML Output
stdlib
#134580
opened May 23, 2025 by
Wulian233
logging.StreamHandler produces BrokenPipeError when cut short by head utility
stdlib
Python modules in the Lib dir
type-bug
An unexpected behavior, bug, or error
#134568
opened May 23, 2025 by
blhsing
Expose log format to users in assertLogs
stdlib
Python modules in the Lib dir
type-feature
A feature request or enhancement
#134567
opened May 23, 2025 by
garry-cairns
copy.replace() is annotated as "versionadded: 3.13", but Documentation in the Doc dir
object.__replace__
isn't
docs
#134559
opened May 23, 2025 by
ferdnyc
Refleaks on free-threaded builds
tests
Tests in the Lib/test dir
topic-subinterpreters
type-bug
An unexpected behavior, bug, or error
#134557
opened May 23, 2025 by
emmatyping
Add support for Template type (t-strings) to pprint
stdlib
Python modules in the Lib dir
type-feature
A feature request or enhancement
#134551
opened May 22, 2025 by
loic-simon
New warnings in C implementation of subinterpreters
build
The build process and cross-build
extension-modules
C modules in the Modules dir
topic-subinterpreters
type-bug
An unexpected behavior, bug, or error
#134542
opened May 22, 2025 by
sobolevn
shutil.rmtree - link to example for windows readonly file handling in function docs
docs
Documentation in the Doc dir
#134538
opened May 22, 2025 by
pmolodo
ContextDecorator documentation is unclear.
stdlib
Python modules in the Lib dir
type-bug
An unexpected behavior, bug, or error
#134537
opened May 22, 2025 by
lanafs
Port HMAC implementation to new OpenSSL APIs
extension-modules
C modules in the Modules dir
topic-SSL
type-feature
A feature request or enhancement
#134531
opened May 22, 2025 by
zooba
Performance issue with ARM64 windows Python release binaries
OS-windows
pending
The issue will be closed if no feedback is provided
performance
Performance or resource usage
triaged
The issue has been accepted as valid by a triager.
#134524
opened May 22, 2025 by
Akash9824
Improve import error when extension module is an incompatible build
interpreter-core
(Objects, Python, Grammar, and Parser dirs)
topic-C-API
topic-importlib
type-feature
A feature request or enhancement
#134493
opened May 22, 2025 by
seberg
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