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Issues list

gh-116738: Make _heapq module thread-safe awaiting review needs backport to 3.14 bugs and security fixes topic-free-threading
#135036 opened Jun 2, 2025 by yoney Loading…
15
Automatically defer heavily shared objects in free-threading. performance Performance or resource usage topic-free-threading type-feature A feature request or enhancement
#134821 opened May 28, 2025 by Fidget-Spinner
2
gh-134761: Use deferred reference counting for threading concurrency primitives awaiting review topic-free-threading
#134762 opened May 26, 2025 by ZeroIntensity Loading…
41
threading primitives are subject to reference count contention interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-free-threading type-feature A feature request or enhancement
#134761 opened May 26, 2025 by ZeroIntensity
Add Non-Refcounted Operations for common types using _PyStackRef interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-free-threading topic-JIT type-feature A feature request or enhancement
#134689 opened May 26, 2025 by Fidget-Spinner
2
[WIP] gh-133931: Introduce _PyObject_XSetRefDelayed to replace Py_XSETREF skip news topic-free-threading
#134377 opened May 20, 2025 by corona10 • Draft
4
The C API needs to protect state that can be deleted by finalization 3.13 bugs and security fixes 3.14 bugs and security fixes 3.15 new features, bugs and security fixes topic-C-API topic-free-threading topic-subinterpreters triaged The issue has been accepted as valid by a triager.
#134307 opened May 20, 2025 by ZeroIntensity
1
use stackrefs in _PyObject_GetMethod and calling APIs interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-free-threading type-feature A feature request or enhancement
#134043 opened May 15, 2025 by kumaraditya303
@kumaraditya303
Expose PyMutex_IsLocked in the public C API interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-C-API topic-free-threading type-feature A feature request or enhancement
#134009 opened May 14, 2025 by hawkinsp
6
Make generator methods gen_set_name and gen_set_qualname thread-safe in free-threaded builds interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-free-threading type-feature A feature request or enhancement
#133931 opened May 12, 2025 by efimov-mikhail
@corona10
1
gh-132380: Use unicode hash/compare for the mcache. awaiting core review performance Performance or resource usage topic-free-threading
#133669 opened May 8, 2025 by nascheme Loading…
7
Data races in typeobject.c for type structure updates interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-free-threading type-bug An unexpected behavior, bug, or error
#133467 opened May 5, 2025 by nascheme
Expose _PyCriticalSection_BeginMutex as a public API interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-C-API topic-free-threading type-feature A feature request or enhancement
#133296 opened May 2, 2025 by hawkinsp
2
Make the JIT thread-safe interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-free-threading topic-JIT
#133171 opened Apr 29, 2025 by brandtbucher
7 tasks
@diegorusso @tomasr8
Memory keeps increasing with fixed-size dict during multi-threaded set/delete in 3.13.3t interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-free-threading type-bug An unexpected behavior, bug, or error
#133136 opened Apr 29, 2025 by Yiling-J
8
GC performance regression in free threaded build interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-free-threading type-bug An unexpected behavior, bug, or error
#132917 opened Apr 25, 2025 by gptsarthak
11
Improve Py_mod_multiple_interpreters and Py_mod_gil Usability 3.15 new features, bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-C-API topic-free-threading topic-subinterpreters type-feature A feature request or enhancement
#132861 opened Apr 23, 2025 by ericsnowcurrently
3
PyEval_SetProfileAllThreads is racy under free-threading 3.13 bugs and security fixes 3.14 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-free-threading type-bug An unexpected behavior, bug, or error
#132817 opened Apr 22, 2025 by hawkinsp
5
copy.copy and copy.deepcopy scale poorly with free-threading performance Performance or resource usage stdlib Python modules in the Lib dir topic-free-threading type-bug An unexpected behavior, bug, or error
#132657 opened Apr 17, 2025 by eendebakpt
3
Excessive QSBR memory usage when delay freeing large blocks. interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-free-threading type-bug An unexpected behavior, bug, or error
#132519 opened Apr 14, 2025 by tom-pytel
1
gh-132336: Only mark slow path functions used by the interpreter loop as noinline in free-threaded builds awaiting core review interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage skip news topic-free-threading
#132424 opened Apr 12, 2025 by mpage Loading…
2
Lock contention inside _PyType_LookupRef interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-free-threading type-feature A feature request or enhancement
#132380 opened Apr 11, 2025 by nascheme
1
Concurrent deallocation of threads while calling PyEval_SetTrace interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-C-API topic-free-threading type-crash A hard crash of the interpreter, possibly with a core dump
#132296 opened Apr 9, 2025 by devdanzin
1
Possible data race between split_keys_entry_added and dict_dict_merge under free-threading, 3.13 3.13 bugs and security fixes 3.14 bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-free-threading type-bug An unexpected behavior, bug, or error
#132245 opened Apr 7, 2025 by vfdev-5
5
gh-129069: make list ass_slice and memory_repeat safe in free-threading awaiting review topic-free-threading
#131882 opened Mar 29, 2025 by tom-pytel Loading…
11
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