cpython

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Neil Schemenauer 27f27a68b3 [3.14] gh-142531: Fix free-threaded GC performance regression (gh-142562) (gh-142617)

If there are many untracked tuples, the GC will run too often, resulting
in poor performance.  The fix is to include untracked tuples in the
"long lived" object count. The number of frozen objects is also now
included since the free-threaded GC must scan those too.
(cherry picked from commit e38967ed60)

2025-12-12 14:30:20 -08:00

clinic

[3.14] gh-139748: fix leaks in AC error paths when using unicode FS-b… (#139789 )

2025-10-08 22:16:21 +05:30

frozen_modules

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_contextvars.c

gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)

2025-04-09 16:18:54 -07:00

_warnings.c

[3.14] gh-139640: Fix swallowing syntax warnings in different modules (GH-139755) (GH-140117)

2025-10-14 15:56:01 +00:00

asdl.c

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asm_trampoline.S

[3.14] gh-136541: Fix several problems of perf trampolines in x86_64 and aarch64 (GH-136500) (#136544 )

2025-07-11 14:06:19 +00:00

assemble.c

gh-87859: Track Code Object Local Kinds For Arguments (gh-132980)

2025-04-29 02:21:47 +00:00

ast_preprocess.c

[3.14] gh-131927: Do not emit PEP 765 warnings in ast.parse() (GH-139642) (GH-140786)

2025-10-30 11:25:34 +00:00

ast_unparse.c

[3.14] gh-132661: Disallow Template/str concatenation after PEP 750 spec update (#135996 ) (#136901 )

2025-07-21 17:34:54 +02:00

ast.c

gh-132661: Implement PEP 750 (#132662 )

2025-04-30 11:46:41 +02:00

bltinmodule.c

[3.14] gh-140517: fix leak in map_next in strict mode (GH-140543) (#140554 )

2025-10-24 22:00:36 +05:30

bootstrap_hash.c

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brc.c

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bytecodes.c

[3.14] gh-137400: Fix thread-safety issues when profiling all threads (gh-137518) (gh-137730)

2025-10-07 13:45:23 -04:00

ceval_gil.c

[3.14] GH-133136: Revise QSBR to reduce excess memory held (gh-135473) (#135912 )

2025-07-08 10:58:01 -07:00

ceval_macros.h

[3.14] gh-140104: Set next_instr properly in the JIT during exceptions (GH-140233) (GH-141495)

2025-11-13 18:47:25 +00:00

ceval.c

[3.14] gh-140373: Correctly emit PY_UNWIND event when generator is closed (GH-140767) (#140816 )

2025-11-30 14:35:14 +02:00

codecs.c

[3.14] gh-58124: Avoid CP_UTF8 in UnicodeDecodeError (GH-137415) (#137460 )

2025-10-07 19:39:31 +02:00

codegen.c

[3.14] gh-138349: Fix crash when combining module-level annotation and listcomp (#138363 ) (#138749 )

2025-09-11 08:43:57 +03:00

compile.c

[3.14] gh-131927: Do not emit PEP 765 warnings in ast.parse() (GH-139642) (GH-140786)

2025-10-30 11:25:34 +00:00

condvar.h

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config_common.h

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context.c

[3.14] gh-138192: Fix Context initialization so that all subinterpreters are assigned the MISSING value. (gh-138503) (#138505 )

2025-09-05 15:30:04 +03:00

critical_section.c

[3.14] gh-114203: skip locking if object is already locked by two-mutex critical section (GH-141476) (#141564 )

2025-11-14 18:38:30 +00:00

crossinterp_data_lookup.h

[3.14] gh-135443: Sometimes Fall Back to __main__.__dict__ For Globals (gh-135593)

2025-06-16 23:59:30 +00:00

crossinterp_exceptions.h

[3.14] gh-132775: Clean Up Cross-Interpreter Error Handling (gh-135492)

2025-06-14 02:08:25 +00:00

crossinterp.c

[3.14] gh-140306: Fix memory leaks in cross-interpreter data handling (GH-140307) (GH-140338)

2025-10-19 19:53:36 +00:00

dtoa.c

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dup2.c

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dynamic_annotations.c

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dynload_hpux.c

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dynload_shlib.c

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dynload_stub.c

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dynload_win.c

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emscripten_signal.c

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emscripten_syscalls.c

[3.14] gh-124621: Emscripten: Support pyrepl in browser (GH-136931) (GH-136988)

2025-07-22 15:04:11 +02:00

emscripten_trampoline_inner.c

[3.14] gh-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (GH-137470) (#139039 )

2025-09-17 17:21:01 +01:00

emscripten_trampoline.c

[3.14] gh-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (GH-137470) (#139039 )

2025-09-17 17:21:01 +01:00

errors.c

[3.14] gh-139640: Fix swallowing syntax warnings in different modules (GH-139755) (GH-140117)

2025-10-14 15:56:01 +00:00

executor_cases.c.h

[3.14] gh-138264: Fix gcc 14 compiler warnings (GH-138265) (GH-138426)

2025-10-07 22:26:05 +02:00

fileutils.c

gh-124476: Fix decoding from the locale encoding in the C.UTF-8 locale (GH-132477)

2025-04-14 21:32:41 +03:00

flowgraph.c

[3.14] gh-137288: Fix bug where boolean expressions are not associated with the correct exception handler (GH-137310). (#137427 )

2025-08-12 12:56:37 +03:00

formatter_unicode.c

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frame.c

gh-131173: Improve exception handling during take_ownership processing (#132620 )

2025-04-17 13:38:34 -07:00

frozen.c

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frozenmain.c

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future.c

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gc_free_threading.c

[3.14] gh-142531: Fix free-threaded GC performance regression (gh-142562) (gh-142617)

2025-12-12 14:30:20 -08:00

gc_gil.c

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gc.c

[3.14] Revert "GH-91636: Clear weakrefs created by finalizers. (GH-136401) (#141993 )" (#142152 )

2025-12-01 20:34:37 +02:00

generated_cases.c.h

[3.14] gh-138264: Fix gcc 14 compiler warnings (GH-138265) (GH-138426)

2025-10-07 22:26:05 +02:00

getargs.c

[3.14] Revert "gh-112068: C API: Add support of nullable arguments in PyArg_Parse (GH-121303)" (GH-136991) (#137006 )

2025-07-22 19:16:31 +03:00

getcompiler.c

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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

[3.14] gh-119132: Remove "experimental" tag from the CPython free-threading. (gh-135550) (gh-135565)

2025-06-16 14:58:14 +00:00

hamt.c

[3.14] gh-137440: Update comment in Python/hamt.c on importing for testing (GH-137441) (#137519 )

2025-10-07 20:47:26 +02:00

hashtable.c

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import.c

[3.14] gh-137422: Fix race condition in PyImport_AddModuleRef (gh-141822) (gh-141830)

2025-11-21 18:57:30 +00:00

importdl.c

[3.14] gh-140011: Delete importdl assertion that prevents importing embedded modules from packages (GH-141605) (#141986 )

2025-11-28 23:30:57 -08:00

index_pool.c

[3.14] gh-91048: Refactor and optimize remote debugging module (#134652 ) (#134673 )

2025-05-25 22:10:20 +00:00

initconfig.c

[3.14] gh-138756: Fix leak of inittab memory in PyInitConfig_Free() (GH-138792) (#139703 )

2025-10-07 17:11:20 +00:00

instruction_sequence.c

GH-124715: Move trashcan mechanism into Py_Dealloc (GH-132280)

2025-04-30 11:37:53 +01:00

instrumentation.c

[3.14] gh-120158: Fix inconsistent monitoring state when setting events too frequently (gh-141845) (gh-141879)

2025-11-23 15:31:56 +00:00

interpconfig.c

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intrinsics.c

Get rid of ERROR_IF's "label" parameter (GH-132654)

2025-04-29 17:21:53 -07:00

jit.c

[3.14] GH-134291: Support older macOS deployment targets for JIT builds (GH-137211) (#137701 )

2025-08-13 13:37:01 +03:00

legacy_tracing.c

[3.14] gh-137400: Fix thread-safety issues when profiling all threads (gh-137518) (gh-137730)

2025-10-07 13:45:23 -04:00

lock.c

[3.14] gh-134009: Expose PyMutex_IsLocked in the public C API (gh-134365) (#136971 )

2025-07-22 12:48:08 +03:00

marshal.c

[3.14] gh-141370: Fix undefined behavior when using Py_ABS() (GH-141548) (GH-142301)

2025-12-12 15:11:43 +00:00

modsupport.c

gh-132909: handle overflow for 'K' format in do_mkvalue (#132911 )

2025-04-25 11:02:57 +00:00

mysnprintf.c

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mystrtoul.c

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object_stack.c

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opcode_targets.h

gh-100239: specialize BINARY_OP/SUBSCR for list-slice (#132626 )

2025-05-01 10:28:52 +00:00

optimizer_analysis.c

[3.14] gh-137728 gh-137762: Fix bugs in the JIT with many local variables (GH-137764) (#137999 )

2025-08-21 17:00:05 +03:00

optimizer_bytecodes.c

[3.14] gh-135608: Add a null check for attribute promotion to fix a JIT crash (GH-135613) (#135739 )

2025-06-20 15:24:25 +08:00

optimizer_cases.c.h

[3.14] gh-135608: Add a null check for attribute promotion to fix a JIT crash (GH-135613) (#135739 )

2025-06-20 15:24:25 +08:00

optimizer_symbols.c

[3.14] gh-137728 gh-137762: Fix bugs in the JIT with many local variables (GH-137764) (#137999 )

2025-08-21 17:00:05 +03:00

optimizer.c

[3.14] gh-137007: Track executor before any possible deallocations (GH-137016) (GH-142541)

2025-12-10 22:54:28 +00:00

parking_lot.c

[3.14] gh-137433: Fix deadlock with stop-the-world and daemon threads (gh-137735) (GH-138965)

2025-10-07 20:46:52 +02:00

pathconfig.c

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perf_jit_trampoline.c

[3.14] gh-136541: Fix several problems of perf trampolines in x86_64 and aarch64 (GH-136500) (#136544 )

2025-07-11 14:06:19 +00:00

perf_trampoline.c

[3.14] gh-136541: Fix several problems of perf trampolines in x86_64 and aarch64 (GH-136500) (#136544 )

2025-07-11 14:06:19 +00:00

preconfig.c

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pyarena.c

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pyctype.c

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pyfpe.c

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pyhash.c

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pylifecycle.c

[3.14] gh-125434: Display thread name in faulthandler on Windows (#142011 )

2025-11-27 12:05:37 +00:00

pymath.c

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pystate.c

[3.14] gh-142048: Fix lost gc allocations count on thread cleanup (GH-142233) (#142504 )

2025-12-10 10:52:55 +00:00

pystrcmp.c

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pystrhex.c

[3.14] gh-141370: Fix undefined behavior when using Py_ABS() (GH-141548) (GH-142301)

2025-12-12 15:11:43 +00:00

pystrtod.c

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Python-ast.c

[3.14] gh-140471: Fix buffer overflow in AST node initialization with malformed _fields (GH-140506) (#140509 )

2025-10-23 10:20:21 -07:00

Python-tokenize.c

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pythonrun.c

[3.14] gh-137576: Fix for Basic REPL showing incorrect code in tracebacks with PYTHONSTARTUP (GH-137625) (#137771 )

2025-08-27 18:28:20 +03:00

pytime.c

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qsbr.c

[3.14] GH-133136: Revise QSBR to reduce excess memory held (gh-135473) (#135912 )

2025-07-08 10:58:01 -07:00

README

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remote_debug.h

[3.14] gh-142627: Ignore anonymous mappings in Linux remote debugging (GH-142628) (#142630 )

2025-12-12 13:38:09 +00:00

remote_debugging.c

[3.14] Fix compiler warnings in remote debugging (#141060 ) (#141067 )

2025-11-05 19:49:39 +00:00

specialize.c

[3.14] gh-139525: Don't specialize functions which have a modified vectorcall (GH-139524) (#139709 )

2025-10-08 09:13:34 -07:00

stackrefs.c

[3.14] gh-133590: ensure that TableEntry.linenumber_borrow is initialized (GH-133681) (#133872 )

2025-05-11 08:44:22 +00:00

stdlib_module_names.h

GH-91048: Minor fixes for `_remotedebugging & rename to _remote_debugging` (#133398 )

2025-05-05 02:30:14 +02:00

structmember.c

gh-132685: fix thread safety of PyMember_GetOne with _Py_T_OBJECT (#132690 )

2025-04-18 21:03:42 +05:30

suggestions.c

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symtable.c

gh-132661: Implement PEP 750 (#132662 )

2025-04-30 11:46:41 +02:00

sysmodule.c

[3.14] gh-142571: Check for errors before calling each syscall in PyUnstable_CopyPerfMapFile() (GH-142460) (#142600 )

2025-12-11 22:13:36 +00:00

thread_nt.h

GH-131296: Add missing UNREACHABLE mark in thread_nt.h (GH-131589)

2025-03-31 20:28:35 +01:00

thread_pthread_stubs.h

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thread_pthread.h

gh-130115: fix thread identifiers for 32-bit musl (#130391 )

2025-04-04 16:31:37 +02:00

thread.c

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tier2_engine.md

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traceback.c

[3.14] gh-116008: Detect freed thread state in faulthandler (GH-141988) (#142013 )

2025-11-27 20:34:00 +00:00

tracemalloc.c

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uniqueid.c

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vm-state.md

gh-133079: Remove Py_C_RECURSION_LIMIT & PyThreadState.c_recursion_remaining (GH-133080)

2025-04-29 12:56:20 +02:00

README

Miscellaneous source files for the main Python shared library