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JIT (interpreter): running hot code with <code>PYTHON_LLTRACE=4</code> segfaults

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

topic-JIT

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#139193Â?In python/cpython;

· devdanzin opened on Sep 20, 2025

JIT: Failed assertion (<code>trace_length &lt; max_length</code>) in <code>translate_bytecode_to_trace</code>

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

topic-JIT

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#139192Â?In python/cpython;

· devdanzin opened on Sep 20, 2025

Remove unused <code>Tools/tz/zdump.py</code>

triagedThe issue has been accepted as valid by a triager.The issue has been accepted as valid by a triager.

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#139188Â?In python/cpython;

· StanFromIreland opened on Sep 20, 2025

<code>__annotations__</code> was removed from 'members' in <code>type.__new__</code> without alternative in Python 3.14

3.14bugs and security fixesbugs and security fixes

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-typing

Status: Open.

#139186Â?In python/cpython;

· Paebbels opened on Sep 20, 2025

os.forkpty() and pty.fork() return FD with O_CLOEXEC

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#139184Â?In python/cpython;

· socketpair opened on Sep 20, 2025

Allow translation of strings in <code>Docs/conf.py</code>

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#139181Â?In python/cpython;

· StanFromIreland opened on Sep 20, 2025

Expose file size, mode, etc from <code>pathlib.Path.info</code>

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-pathlib

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#139174Â?In python/cpython;

· barneygale opened on Sep 20, 2025

Use pyrepl+fanycompleter as the default readline for pdb

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#139167Â?In python/cpython;

· antocuni opened on Sep 19, 2025

Expose Py_SIZE, Py_IS_TYPE, Py_SET_SIZE as functions in the Stable ABI

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

topic-C-API

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#139165Â?In python/cpython;

· encukou opened on Sep 19, 2025

Use PyBytesWriter in Unicode codecs

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

topic-unicode

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#139156Â?In python/cpython;

· vstinner opened on Sep 19, 2025

Remove misleading sentence in pprint summary

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#139155Â?In python/cpython;

· ericvsmith opened on Sep 19, 2025

JIT CI will break with deprecattion of x86_64 macOS runners

infraCI, GitHub Actions, buildbots, Dependabot, etc.CI, GitHub Actions, buildbots, Dependabot, etc.

OS-mac

topic-JIT

Status: Open.

#139153Â?In python/cpython;

· JacobCoffee opened on Sep 19, 2025