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  1. f04bea4 gh-90949: add Expat API to prevent XML deadly allocations (CVE-2025-59375) (#139234) by Bénédikt Tran · 24 hours ago
  2. 7ce25ed gh-133059: Increase the small positive integer cache to 1024 (GH-133160) by dgpb · 3 days ago
  3. 8d83b7d gh-139156: Optimize the UTF-7 encoder (#139253) by Victor Stinner · 3 days ago
  4. c9a79a0 gh-139156: Use PyBytesWriter in _PyUnicode_EncodeCharmap() (#139251) by Victor Stinner · 3 days ago
  5. a5e0562 gh-133644: remove `PyWeakref_GetObject` and `PyWeakref_GET_OBJECT` (GH-133657) by Bénédikt Tran · 3 days ago
  6. c4f21d7 gh-133171: Re-enable JUMP_BACKWARD to free-threading build (gh-137800) by Donghee Na · 3 days ago
  7. dd45179 gh-129813, PEP 782: Remove the private _PyBytesWriter API (#139264) by Victor Stinner · 4 days ago
  8. 67636f7 gh-138709: Implement CPU time profiling in profiling.sample (#138710) by Pablo Galindo Salgado · 8 days ago
  9. 2191497 gh-136003: Execute pre-finalization callbacks in a loop (GH-136004) by Peter Bierma · 9 days ago
  10. 3b83257 GH-138378: Move globals-to-consts pass into main optimizer pass (GH-138379) by Mark Shannon · 9 days ago
  11. b42af37 GH-138355: Remove trash_delete_later from _gc_runtime_state (#138767) by Sergey Miryanov · 10 days ago
  12. d873fb4 gh-137838: Move _PyUOpInstruction buffer to PyInterpreterState (gh-138918) by Donghee Na · 10 days ago
  13. 4b78fe9 GH-137630: Convert ``_interpqueues`` to use Argument Clinic (#137685) by Adam Turner · 10 days ago
  14. 299de38 gh-131776: Expose functions called from the interpreter loop via PyAPI_FUNC (#134242) by Dino Viehland · 10 days ago
  15. 2629ee4 gh-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (#137470) by Hood Chatham · 10 days ago
  16. a1cf6e9 gh-71679: Share the repr implementation between bytes and bytearray (GH-138181) by Serhiy Storchaka · 10 days ago
  17. 90fe325 gh-137433: Fix deadlock with stop-the-world and daemon threads (gh-137735) by Sam Gross · 11 days ago
  18. 4e00e25 gh-129813, PEP 782: Add PyBytesWriter.overallocate (#138941) by Victor Stinner · 12 days ago
  19. 32b2c5d gh-137956: Guard against non-free-threaded extensions in free-threaded builds (GH-137957) by Petr Viktorin · 12 days ago
  20. 2d72493 gh-129813, PEP 782: Use PyBytesWriter in _PyBytes_FormatEx() (#138839) by Victor Stinner · 12 days ago
  21. f01181b gh-138794: Communicate to PyRefTracer when they are being replaced (#138797) by Pablo Galindo Salgado · 12 days ago
  22. baf7470 gh-138886: Remove deprecated `PySys_ResetWarnOptions` C-API function (#138887) by sobolevn · 12 days ago
  23. ea26f6d gh-138661: fix data race in `PyCode_Addr2Line` (#138664) by Kumar Aditya · 2 weeks ago
  24. c3fca5d gh-129813, PEP 782: Add PyBytesWriter_Format() (#138824) by Victor Stinner · 2 weeks ago
  25. adb4140 gh-129813, PEP 782: Add PyBytesWriter C API (#138822) by Victor Stinner · 2 weeks ago
  26. 7a6fd4a gh-138349: Fix crash when combining module-level annotation and listcomp (#138363) by Jelle Zijlstra · 2 weeks ago
  27. d54b109 gh-136006: fix `Py_NAN` expansion on Solaris systems (#136575) by Bénédikt Tran · 2 weeks ago
  28. a92aec1 gh-133143: Use _Py_ID for the other literals in sys (GH-138698) by Petr Viktorin · 3 weeks ago
  29. 5edfe55 gh-137838: Fix JIT trace buffer overrun by increasing possible exit stubs (gh-138177) by Donghee Na · 3 weeks ago
  30. 5443b9e gh-133143: Condense the implementation for ``sys.abi_info`` (#138672) by Adam Turner · 3 weeks ago
  31. 097c563 gh-137210: Move PYTHON_API_VERSION & PYTHON_ABI_VERSION to patchlevel.h (GH-138545) by Petr Viktorin · 3 weeks ago
  32. 0c74fc8 gh-137210: Add a struct, slot & function for checking an extension's ABI (GH-137212) by Petr Viktorin · 3 weeks ago
  33. 2402f84 gh-138431: JIT Optimizer --- Fix round-tripping references for str and tuple (GH-138458) by Ken Jin · 3 weeks ago
  34. 1ff2cbb gh-137136: Suppress build warnings when build on Windows with --experimental-jit-interpreter (GH-137137) by AN Long · 3 weeks ago
  35. 4a33077 gh-138264: Fix gcc 14 compiler warnings (GH-138265) by Serhiy Storchaka · 3 weeks ago
  36. 47bc10e gh-135763: AC: Implement ``allow_negative`` for ``Py_ssize_t`` (#138150) by Christoph Walcher · 4 weeks ago
  37. aec006b gh-135755: Make Py_MAX_SCRIPT_PATH_SIZE private (#138350) by Victor Stinner · 4 weeks ago
  38. 4f6ecd1 gh-138342: Use a common utility for visiting an object's type (GH-138343) by Peter Bierma · 4 weeks ago
  39. ce1a877 gh-138143: Allow anonymous unions in public headers, using `_Py_ANONYMOUS` (GH-137283) by Petr Viktorin · 5 weeks ago
  40. 5baa7a0 gh-95245: Document Py_TPFLAGS_PREHEADER (GH-135861) by Sergey Miryanov · 5 weeks ago
  41. a8d9d94 GH-137959: Replace shim code in jitted code with a single trampoline function. (GH-137961) by Mark Shannon · 5 weeks ago
  42. 7dc42b6 gh-137884: Added threading.get_native_id() on Illumos/Solaris (GH-137927) by Yüce Tekol · 5 weeks ago
  43. b07a267 gh-137883: Check the recursion limit for specialized keyword argument calls (GH-137887) by Peter Bierma · 6 weeks ago
  44. 9cb9130 gh-73487: Convert ``_decimal`` to use Argument Clinic (part 3) (#137844) by Sergey B Kirpichev · 6 weeks ago
  45. 83387e0 gh-73487: Convert ``_decimal`` to use Argument Clinic (part 2) (#137637) by Sergey B Kirpichev · 6 weeks ago
  46. 7dfa048 gh-135228: Create __dict__ and __weakref__ descriptors for object (GH-136966) by Petr Viktorin · 6 weeks ago
  47. 5c0231c gh-137725: Convert faulthandler to Argument Clinic (#137726) by Victor Stinner · 6 weeks ago
  48. 31bbea1 gh-137808: use argument clinic for `_thread.lock` and `_thread.RLock` (#137809) by Kumar Aditya · 6 weeks ago
  49. a10152f gh-137400: Fix thread-safety issues when profiling all threads (gh-137518) by Sam Gross · 6 weeks ago
  50. 70730ad gh-73487: Convert `_decimal` to use Argument Clinic (part 1) (#137606) by Sergey B Kirpichev · 6 weeks ago
  51. be56464 GH-137630: Convert ``_interpreters`` to use Argument Clinic (#137631) by Adam Turner · 7 weeks ago
  52. 715647a gh-137288: Update 3.14 magic numbers (GH-137665) by Hugo van Kemenade · 7 weeks ago
  53. 046a4e3 gh-136571: Convert more code in datetime to Argument Clinic (GH-136573) by Serhiy Storchaka · 7 weeks ago
  54. af15e1d GH-132532: Add new DSL macros to better declare semantics of exits at ends of instructions/uops. (GH-137098) by Mark Shannon · 7 weeks ago
  55. 375f484 gh-137291: Support perf profiler with an evaluation hook (#137292) by Dino Viehland · 7 weeks ago
  56. 082f370 gh-137514: Add a free-threading wrapper for mutexes (GH-137515) by Peter Bierma · 7 weeks ago
  57. c2428ca gh-136823: Update documentation on excluded headers in Python.h (#136824) by Sina Zel taat · 8 weeks ago
  58. 1f2026b gh-137288: Fix bug where boolean expressions are not associated with the correct exception handler (#137310) by Irit Katriel · 8 weeks ago
  59. 801cf3f GH-137276: Don't mark uop as escaping if the escaping call is on an exit branch (GH-137277) by Mark Shannon · 8 weeks ago
  60. e7b55f5 GH-136410: Faster side exits by using a cold exit stub (GH-136411) by Mark Shannon · 8 weeks ago
  61. 9ced5c4 gh-128813: soft-deprecate _Py_c_*() functions (GH-137261) by Sergey B Kirpichev · 8 weeks ago
  62. 11a8652 gh-137185: Fix `_Py_DumpStack()` async signal safety (gh-137187) by Sam Gross · 9 weeks ago
  63. 377b787 gh-136306: Add support for getting and setting SSL groups (#136307) by Ron Frederick · 9 weeks ago
  64. cbe6ebe gh-134043: use stackrefs for dict lookup in `_PyObject_GetMethodStackRef` (#136412) by Kumar Aditya · 9 weeks ago
  65. cfd6da8 gh-137058: Update C23 standard version check in `pyport.h` (#137127) by Abdul · 9 weeks ago
  66. ec02db5 gh-136759: rename `lock.h` to `pylock.h` (#137041) by AN Long · 9 weeks ago
  67. 89c220b gh-133296: Publicly expose critical section API that accepts PyMutex (gh-135899) by Nathan Goldbaum · 10 weeks ago
  68. a109606 gh-136421: Load `_datetime` static types during interpreter initialization (GH-136583) by Peter Bierma · 10 weeks ago
  69. c89a66f GH-133711: Enable UTF-8 mode by default (PEP 686) (#133712) by Adam Turner · 2 months ago
  70. cd3e7ac gh-67341: fix a typo in `Include/fileutils.h` (#136049) by Lee Dogeon · 3 months ago
  71. da699ed gh-121914: Change the names of the symbol tables for lambda and genexpr (GH-135288) by Serhiy Storchaka · 3 months ago
  72. c7d24b8 gh-111506: Add _Py_OPAQUE_PYOBJECT to hide PyObject layout & related API (GH-136505) by Petr Viktorin · 3 months ago
  73. 561212a Doc: More duplicate word fixes (GH-136299) by Weilin Du · 3 months ago
  74. 2c9a801 gh-135906: Test the internal C API in test_cext (#136247) by Victor Stinner · 3 months ago
  75. 236f733 gh-136541: Fix several problems of perf trampolines in x86_64 and aarch64 (#136500) by Pablo Galindo Salgado · 3 months ago
  76. a6566e4 gh-92536: Fix comment about number of unicode string types (#136439) by Arseniy Terekhin · 3 months ago
  77. fe187fa gh-135906: Use `_PyObject_CAST` in internal headers (GH-135892) by Charlie Lin · 3 months ago
  78. fa43a1e gh-127705: Move Py_INCREF_MORTAL() to the internal C API (GH-136178) by Victor Stinner · 3 months ago
  79. f41e9c7 gh-134009: Expose `PyMutex_IsLocked` in the public C API (gh-134365) by Sam Gross · 3 months ago
  80. e0d6500 gh-136125: Use `_PyObject_GetMethodStackRef` for `LOAD_ATTR` (GH-136127) by Ken Jin · 3 months ago
  81. 28940e8 gh-130396: Move PYOS_LOG2_STACK_MARGIN to internal headers (#135928) by Victor Stinner · 3 months ago
  82. fe119a0 gh-87135: threading.Lock: Raise rather than hang on Python finalization (GH-135991) by Petr Viktorin · 3 months ago
  83. 845263a gh-133157: remove usage of `_Py_NO_SANITIZE_UNDEFINED` in `pyexpat` (#135346) by Petr Viktorin · 3 months ago
  84. b1056c2 gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) by Xuanteng Huang · 3 months ago
  85. 698bab5 Doc: fix duplicated words (#136086) by Weilin Du · 3 months ago
  86. 5334732 gh-91048: Fix external inspection multi-threaded performance (#136005) by Pablo Galindo Salgado · 3 months ago
  87. 695ab61 gh-132732: Automatically constant evaluate pure operations (GH-132733) by Ken Jin · 3 months ago
  88. 8594d2c gh-135927: Check _MSC_VER to define _Py_NULL macro (#135987) by Victor Stinner · 3 months ago
  89. 6be17ba gh-135755: Use private names (_Py*) for header file guards new in 3.14 (GH-135921) by Petr Viktorin · 3 months ago
  90. 10a3d43 gh-135755: Move `PyFunction_GET_BUILTINS` to the private API (GH-135938) by Peter Bierma · 3 months ago
  91. a1da208 gh-131591: Add Py_ prefix to MAX_SCRIPT_PATH_SIZE; remove unprefixed struct tag (GH-135924) by Petr Viktorin · 3 months ago
  92. a88b49c gh-135927: Fix MSVC Clatest C builds (GH-135935) by Ken Jin · 3 months ago
  93. 1b1ae82 gh-135755: Move SPECIAL_ constants to a private header (GH-135922) by Petr Viktorin · 3 months ago
  94. 113de85 GH-133136: Revise QSBR to reduce excess memory held (gh-135473) by Neil Schemenauer · 3 months ago
  95. 569fc68 gh-134584: Specialize POP_TOP by reference and type in JIT (GH-135761) by Ken Jin · 3 months ago
  96. a8ec511 gh-135380: enhance critical section held assertions (#135381) by Kumar Aditya · 3 months ago
  97. 0243260 gh-135379: Move PyLong_CheckCompact to private header and rename it (GH-135707) by Ken Jin · 3 months ago
  98. 1b969f6 gh-135379: Add back const cast to _PyLong_IsCompact (GH-135706) by Ken Jin · 3 months ago
  99. 9731dd2 GH-135379: Specialize int operations for compact ints only (GH-135668) by Mark Shannon · 3 months ago
  100. 52be7f4 gh-133931: Introduce _PyObject_XSetRefDelayed to replace Py_XSETREF (gh-134377) by Donghee Na · 3 months ago