cpython

clinic

gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338)

2026-05-24 16:16:12 +03:00

frozen_modules

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_contextvars.c

gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770 )

2026-03-24 17:47:55 +00:00

_warnings.c

gh-143231: Add the module attribute to warnings.WarningMessage (GH-149298)

2026-05-03 09:35:47 +00:00

asdl.c

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asm_trampoline_aarch64.S

gh-149800: Split perf trampoline assembly into per-architecture files (#149894 )

2026-05-23 08:03:52 -04:00

asm_trampoline_riscv64.S

gh-149800: Split perf trampoline assembly into per-architecture files (#149894 )

2026-05-23 08:03:52 -04:00

asm_trampoline_x86_64.S

gh-149800: Split perf trampoline assembly into per-architecture files (#149894 )

2026-05-23 08:03:52 -04:00

assemble.c

gh-151112: Fix double free in assemble_init when out of memory (#151142 )

2026-06-09 20:45:54 +01:00

ast_preprocess.c

gh-143055: Implementation of PEP 798 (#143056 )

2026-01-30 20:37:52 -08:00

ast_unparse.c

gh-143055: Fix crash in AST unparser when unparsing dict comprehension unpacking (#145556 )

2026-03-09 10:37:23 -07:00

ast.c

gh-143055: Implementation of PEP 798 (#143056 )

2026-01-30 20:37:52 -08:00

bltinmodule.c

gh-151510: Fix __lazy_import__ without frame (#151511 )

2026-06-17 14:09:51 -04:00

bootstrap_hash.c

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brc.c

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bytecodes.c

gh-150490: Raise PyType_Modified for insertion into split dictionary (take 2) (#152914 )

2026-07-06 12:56:32 -07:00

ceval_gil.c

gh-144748: Make PyErr_CheckSignals raise the exception scheduled by PyThreadState_SetAsyncExc (GH-145178)

2026-03-02 11:47:32 +01:00

ceval_macros.h

GH-148874: Make sure that mngr.__exit__() is always called in a with statement (GH-150911)

2026-07-01 15:15:33 +01:00

ceval.c

gh-153205: Set MemoryError in stackref array conversion (#153206 )

2026-07-07 16:03:34 +00:00

ceval.h

gh-142186: Allow all PEP-669 events to be per-code object and disableable (GH-146182)

2026-04-22 09:08:23 +01:00

codecs.c

gh-151253: Dump the Python path configuration on _PyCodec_InitRegistry() failure (#151250 )

2026-06-10 18:43:38 +02:00

codegen.c

gh-145855: Remove the DELETE_ATTR bytecode (GH-146216)

2026-07-06 10:41:47 +01:00

compile.c

gh-151763: Fix OOM-0013 crash when the parser or compiler fails to allocate (#151968 )

2026-07-02 01:34:16 +01:00

condvar.h

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config_common.h

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context.c

gh-151773: Fix NULL dereference in PyContextVar_Set (#151836 )

2026-06-23 17:15:15 +03:00

critical_section.c

gh-150902: Optimize PyCriticalSection2 to skip locking the same locks held by the current CS2

2026-06-16 16:56:37 +00:00

crossinterp_data_lookup.h

gh-147960: Fix memory leak in crossinterp _tuple_shared() on alloc failure (#147961 )

2026-04-01 18:34:55 +02:00

crossinterp_exceptions.h

gh-132775: Clean Up Cross-Interpreter Error Handling (gh-135369)

2025-06-13 16:45:21 -06:00

crossinterp.c

gh-151842: Fix crash upon OOM in _interpreters.capture_exception (GH-151843)

2026-06-23 16:31:47 -04:00

dtoa.c

gh-145633: Remove support for ancient ARM platforms with mixed-endian doubles (#145634 )

2026-03-11 12:39:24 +01:00

dup2.c

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dynamic_annotations.c

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dynload_hpux.c

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dynload_shlib.c

gh-148758: Fix dynamic loading file extensions for Cygwin (#148759 )

2026-05-13 21:50:24 +00:00

dynload_stub.c

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dynload_win.c

gh-148690: Build Windows freethreaded binaries into separate directory and include python3t.dll on GIL-enabled (GH-149218)

2026-05-04 17:45:08 +01:00

emscripten_signal.c

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emscripten_syscalls.c

gh-145177: Update Emscripten to 6.0.2 (#153235 )

2026-07-06 23:54:16 +00:00

emscripten_trampoline_inner.c

gh-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (#137470 )

2025-09-17 15:33:55 +01:00

emscripten_trampoline.c

gh-145037: Fix Emscripten trampoline with emcc >= 4.0.19 (#145038 )

2026-02-26 06:21:05 +08:00

errors.c

gh-146480: Override the exception in _PyErr_SetKeyError() (#146486 )

2026-03-27 11:20:19 +00:00

executor_cases.c.h

gh-150490: Raise PyType_Modified for insertion into split dictionary (take 2) (#152914 )

2026-07-06 12:56:32 -07:00

fileutils.c

gh-42400: Fix buffer overflow in _Py_wrealpath() for very long paths (#141529 )

2025-11-18 17:34:58 +01:00

flowgraph.c

gh-151112: Move an assert that may fail in cfg_builder_check (#151153 )

2026-06-11 10:16:27 +01:00

frame.c

gh-144446: Fix some frame object thread-safety issues (gh-144479)

2026-02-06 09:43:36 -05:00

frozen.c

GH-145278: freeze encodings (partially) and linecache (#148347 )

2026-04-14 21:01:23 +01:00

frozenmain.c

Use PyConfig_Get() in frozenmain.c (#137421 )

2025-08-06 14:33:28 +02:00

future.c

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gc_free_threading.c

gh-151646: Fix data race between gc.get_stats() and GC in free-threading builds (gh-151766)

2026-07-03 19:07:29 -07:00

gc_gil.c

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gc.c

gh-146527: Fix memory leak in _PyGC_Fini() (#150969 )

2026-06-05 13:43:05 +00:00

generated_cases.c.h

gh-150490: Raise PyType_Modified for insertion into split dictionary (take 2) (#152914 )

2026-07-06 12:56:32 -07:00

getargs.c

gh-146615: Fix format specifiers in Python/ directory (GH-146619)

2026-03-31 10:59:17 +03:00

getcompiler.c

gh-141341: Rename COMPILER macro to _Py_COMPILER on Windows (#141342 )

2025-11-10 15:50:51 +01:00

getcopyright.c

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getopt.c

GH-133336: Remove reserved `-J` flag for Jython (#133444 )

2025-05-05 15:09:19 +00:00

getplatform.c

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getversion.c

gh-119132: Remove "experimental" tag from the CPython free-threading. (gh-135550)

2025-06-16 23:32:52 +09:00

hamt.c

gh-150178: Fix refcount leaks in hamt allocation failure paths (#150179 )

2026-05-23 14:03:40 +05:30

hashtable.c

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import.c

gh-151644: Fix data race in sys.setdlopenflags/getdlopenflags under free-threading (gh-151768)

2026-07-03 13:19:09 -07:00

importdl.c

gh-140011: Delete importdl assertion that prevents importing embedded modules from packages (GH-141605)

2025-11-26 14:12:49 +01:00

index_pool.c

gh-91048: Refactor and optimize remote debugging module (#134652 )

2025-05-25 20:19:29 +00:00

initconfig.c

gh-151218: Replace sys.flags in PyConfig_Set() (#151402 )

2026-06-16 16:17:33 +00:00

instruction_sequence.c

GH-143493: Conform to spec for generator expressions while supporting virtual iterators (GH-143569)

2026-01-16 09:11:58 +00:00

instrumentation.c

gh-150379: fix ref leak in C API monitoring events (#150381 )

2026-05-25 16:12:33 +05:30

interpconfig.c

gh-146615: Fix format specifiers in Python/ directory (GH-146619)

2026-03-31 10:59:17 +03:00

intrinsics.c

gh-150027: Avoid copying during construction of frozenset objects (GH-150028)

2026-05-19 13:57:37 -04:00

jit_publish.c

GH-126910: Add GNU backtrace support for unwinding JIT frames (#149104 )

2026-05-05 09:29:07 +01:00

jit_unwind.c

gh-139808: Add branch protections for aarch64 in asm_trampoline.S (#130864 )

2026-05-12 15:42:44 +00:00

jit.c

GH-148960: Reduce the size of the debug stencils to less than half. (GH-150551)

2026-06-01 17:56:16 +01:00

legacy_tracing.c

gh-148037: remove critical section from PyCode_Addr2Line (#148103 )

2026-04-10 17:58:17 +05:30

lock.c

gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852)

2026-04-22 14:31:19 -04:00

marshal.c

gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338)

2026-05-24 16:16:12 +03:00

modsupport.c

gh-146636: Py_mod_abi mandatory for modules created from slots array (GH-146855)

2026-04-02 13:54:21 +02:00

mysnprintf.c

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mystrtoul.c

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object_stack.c

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opcode_targets.h

gh-145855: Remove the DELETE_ATTR bytecode (GH-146216)

2026-07-06 10:41:47 +01:00

optimizer_analysis.c

gh-145235: Make dict watcher API thread-safe for free-threaded builds (gh-145233)

2026-05-11 11:39:55 -04:00

optimizer_bytecodes.c

gh-148871: make LOAD_COMMON_CONSTANT use immortal stackref borrows (GH-149625)

2026-05-28 12:27:37 +01:00

optimizer_cases.c.h

gh-150490: Raise PyType_Modified for insertion into split dictionary (take 2) (#152914 )

2026-07-06 12:56:32 -07:00

optimizer_symbols.c

gh-146261: JIT: protect against function version changes (#146300 )

2026-04-13 02:23:47 +08:00

optimizer.c

GH-148874: Make sure that mngr.__exit__() is always called in a with statement (GH-150911)

2026-07-01 15:15:33 +01:00

parking_lot.c

gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852)

2026-04-22 14:31:19 -04:00

pathconfig.c

gh-133644: Remove deprecated Python initialization getter functions (#133661 )

2025-05-09 11:39:23 +00:00

perf_jit_trampoline.c

gh-150723: Fix perf jitdump files on macOS (#150728 )

2026-06-03 01:15:34 +01:00

perf_trampoline.c

gh-149156: Fix perf trampoline crash after fork (#150347 )

2026-05-25 13:45:58 +01:00

preconfig.c

gh-146302: make Py_IsInitialized() thread-safe and reflect true init completion (GH-146303)

2026-04-11 21:54:23 +00:00

pyarena.c

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pyctype.c

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pyfpe.c

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pyhash.c

gh-141226: Deprecate PEP-456 support for embedders (#141287 )

2026-02-21 12:42:13 +01:00

pylifecycle.c

gh-151218: Replace sys.flags in PyConfig_Set() (#151402 )

2026-06-16 16:17:33 +00:00

pymath.c

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pystate.c

gh-151126: Fix a possible crash during the startup with no memory under Py_STACKREF_DEBUG (#152478 )

2026-06-30 14:28:17 +03:00

pystats.c

gh-146073: Add fitness/exit quality mechanism for JIT trace frontend (GH-148089)

2026-04-24 10:37:01 +01:00

pystrcmp.c

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pystrhex.c

gh-149685: Use the _Py prefix for private C macros (GH-149686)

2026-05-13 19:14:05 +02:00

pystrtod.c

gh-141004: soft-deprecate Py_INFINITY macro (#141033 )

2025-11-12 13:44:49 +01:00

Python-ast.c

gh-82312: Further improvement of error messages for generating AST nodes (GH-150912)

2026-06-30 01:03:33 +03:00

Python-tokenize.c

gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770 )

2026-03-24 17:47:55 +00:00

pythonrun.c

gh-146615: Fix format specifiers in Python/ directory (GH-146619)

2026-03-31 10:59:17 +03:00

pytime.c

gh-152849: Fix OverflowError message for out-of-range timestamps in the time module (#152850 )

2026-07-06 16:50:15 +02:00

qsbr.c

gh-144438: Fix false sharing between QSBR and tlbc_index (gh-144554)

2026-02-17 11:12:25 -05:00

README

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record_functions.c.h

gh-149358: Generating JIT recorder transformers and stabilizing family layouts (GH-149359)

2026-05-21 17:06:52 +01:00

remote_debug.h

gh-151029: Fix sys.remote_exec() unable to find writable memory when libpython replaced on disk (#151032 )

2026-06-27 16:21:15 +00:00

remote_debugging.c

gh-138122: Implement frame caching in RemoteUnwinder to reduce memory reads (#142137 )

2025-12-06 22:37:34 +00:00

slots_generated.c

gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)

2026-05-05 09:18:04 +02:00

slots.c

gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)

2026-05-05 09:18:04 +02:00

slots.toml

gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)

2026-05-05 09:18:04 +02:00

specialize.c

gh-150490: Raise PyType_Modified for insertion into split dictionary (take 2) (#152914 )

2026-07-06 12:56:32 -07:00

stackrefs.c

gh-131527: Stackref debug borrow checker (#140599 )

2025-11-05 11:12:56 -08:00

stdlib_module_names.h

gh-81313: Add the math.integer module (PEP-791) (GH-133909)

2025-10-31 16:13:43 +02:00

structmember.c

gh-146270: Fix PyMember_SetOne(..., NULL) not being atomic (gh-148800)

2026-05-06 09:50:24 -04:00

suggestions.c

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symtable.c

gh-152682: Fix NULL dereference on OOM in symtable_visit_type_param_bound_or_default (#152684 )

2026-06-30 14:45:25 +00:00

sysmodule.c

gh-151218: Replace sys.flags in PyConfig_Set() (#151402 )

2026-06-16 16:17:33 +00:00

thread_nt.h

gh-134745: Change PyThread_allocate_lock() implementation to PyMutex (#134747 )

2025-05-30 10:15:47 +00:00

thread_pthread_stubs.h

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thread_pthread.h

gh-137884: Added threading.get_native_id() on Illumos/Solaris (GH-137927)

2025-08-20 17:10:44 +00:00

thread.c

gh-134745: Use "pymutex" for sys.thread_info on Windows (#141140 )

2025-11-06 16:10:39 +01:00

tier2_engine.md

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traceback.c

gh-152903: Change PCWSTR to PWSTR in GetThreadDescription() typedef (#152904 )

2026-07-03 13:05:43 +02:00

tracemalloc.c

gh-144763: Don't detach the GIL in tracemalloc (#144779 )

2026-02-18 15:57:48 +00:00

uniqueid.c

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vm-state.md

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