Skip to content

Issues: python/cpython

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Clear current search query, filters, and sorts
117 Open 873 Closed
117 Open 873 Closed
Author
Filter by author
Loading
Label
Filter by label
Loading
Use alt + click/return to exclude labels
or ⇧ + click/return for logical OR
Projects
Filter by project
Loading
Milestones
Filter by milestone
Loading
Assignee
Filter by who’s assigned
Sort
Sort by
Newest Oldest Most commented Least commented Recently updated Least recently updated Best match
Most reactions
👍 👎 😄 🎉 😕 ❤️ 🚀 👀

Issues list

Segfault in union_repr from list_repr_impl in free-threaded build 3.13 bugs and security fixes 3.14 new features, bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-free-threading topic-typing type-crash A hard crash of the interpreter, possibly with a core dump
#132713 opened Apr 19, 2025 by devdanzin
@sobolevn
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
2
GH-132380: Add optimization for non-interned type lookup. awaiting core review performance Performance or resource usage topic-free-threading
#132652 opened Apr 17, 2025 by nascheme Loading…
[3.13] GH-132380: Add optimization for non-interned type lookup. 3.13 bugs and security fixes awaiting core review performance Performance or resource usage topic-free-threading
#132651 opened Apr 17, 2025 by nascheme Loading…
Data race between compare_generic and insert_combined_dict under free-threading interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-free-threading type-bug An unexpected behavior, bug, or error
#132641 opened Apr 17, 2025 by vfdev-5
1
gh-132551: make BytesIO object free-thread safe awaiting review topic-free-threading
#132616 opened Apr 16, 2025 by tom-pytel Loading…
13
Add internal docs about the free-threaded GC. awaiting core review docs Documentation in the Doc dir skip issue skip news topic-free-threading
#132562 opened Apr 15, 2025 by nascheme Loading…
Segfault/abort from calling BytesIO unshare_buffer in threads on a free-threaded build 3.13 bugs and security fixes 3.14 new features, bugs and security fixes extension-modules C modules in the Modules dir topic-free-threading type-crash A hard crash of the interpreter, possibly with a core dump
#132551 opened Apr 15, 2025 by devdanzin
6
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
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
[3.13] GH-132380: Avoid locking in _PyType_LookupRef() 3.13 bugs and security fixes performance Performance or resource usage topic-free-threading
#132381 opened Apr 11, 2025 by nascheme • Draft
3
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
gh-132296: Use thread-state reference counting to fix PyEval_SetTraceAllThreads topic-free-threading
#132298 opened Apr 9, 2025 by ZeroIntensity • Draft
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 new features, 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
4
Data race between update_one_slot and PyObject_Hash under free-threading 3.13 bugs and security fixes 3.14 new features, bugs and security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-free-threading type-bug An unexpected behavior, bug, or error
#132214 opened Apr 7, 2025 by vfdev-5
3
gh-132070: use _PyObject_IsUniquelyReferenced in unicodeobject awaiting core review skip news topic-free-threading
#132091 opened Apr 4, 2025 by kumaraditya303 Loading…
2
data race when resizing unicode objects interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-free-threading topic-unicode type-bug An unexpected behavior, bug, or error
#132070 opened Apr 4, 2025 by kumaraditya303
3
gh-131586: Avoid refcount contention in context managers awaiting changes skip news topic-free-threading
#131851 opened Mar 28, 2025 by colesbury Loading…
29
Use stackrefs in _PyType_LookupRef and related functions interpreter-core (Objects, Python, Grammar, and Parser dirs) topic-free-threading type-feature A feature request or enhancement
#131586 opened Mar 22, 2025 by colesbury
gh-115999: Update whats news for free-threaded 3.14 awaiting core review docs Documentation in the Doc dir skip news topic-free-threading
#131285 opened Mar 15, 2025 by corona10 Loading…
9
Use pystats for free threading performance statistics interpreter-core (Objects, Python, Grammar, and Parser dirs) performance Performance or resource usage topic-free-threading type-feature A feature request or enhancement
#131253 opened Mar 14, 2025 by colesbury
@mpage
gh-123471: Make concurrent iteration over itertools.cycle safe under free-threading awaiting review topic-free-threading
#131212 opened Mar 13, 2025 by eendebakpt Loading…
4
gh-127266: avoid data races when updating type slots awaiting core review topic-free-threading
#131174 opened Mar 13, 2025 by nascheme Loading…
44
Move assert() inside lock to avoid data race. skip issue skip news topic-free-threading type-bug An unexpected behavior, bug, or error
#131126 opened Mar 12, 2025 by nascheme • Draft
ProTip! Add no:assignee to see everything that’s not assigned.