Cpython: v3.15.0a1 Release

674 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

[3.14] gh-134696: align OpenSSL and HACL*-based hash functions constructors AC signatures (GH-134713) (#134961)

Authored June 1, 2025

[3.14] gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614) (#136119)

Authored June 30, 2025

[3.14] gh-132775: Fix Interpreter.call() __main__ Visibility (gh-135638)

Authored June 17, 2025

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

Authored July 22, 2025

Python 3.14.0b2

Authored May 26, 2025

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

Authored June 16, 2025

[3.14] gh-132983: Split ``_zstd_set_c_parameters`` (GH-133921) (#134838)

Authored May 28, 2025

[3.14] gh-132983: Make _zstd C code PEP 7 compliant (GH-134605) (#134609)

Authored May 24, 2025

[3.14] gh-131531: android.py enhancements to support cibuildwheel (GH-132870) (#135158)

Authored June 5, 2025

[3.14] gh-132983: Clean-ups for ``_zstd`` (GH-133670) (#133756)

Authored May 9, 2025

[3.14] gh-134939: Add the concurrent.interpreters Module (gh-135414)

Authored June 12, 2025

[3.14] gh-132983: Convert dict_content to take Py_buffer in ``ZstdDict()`` (GH-133924) (#134723)

Authored May 28, 2025

[3.14] gh-132388: test HACL* and OpenSSL hash functions in pure Python HMAC (GH-134051) (#134089)

Authored May 16, 2025

[3.14] gh-133583: Add support for fixed size unsigned integers in argument parsing (GH-133584) (GH-133650)

Authored May 8, 2025

[3.14] gh-132775: Add _PyCode_GetScriptXIData() (gh-133676)

Authored May 8, 2025

[3.14] gh-134637: Fix performance regression in calling `ctypes` function pointer in `free threading`

Authored May 26, 2025

[3.14] gh-132775: Use _PyFunction_VerifyStateless() and _PyCode_VerifyStateless() (gh-134465)

Authored May 21, 2025

[3.14] gh-135256: Simplify parsing parameters in Argument Clinic (GH-135257) (121914136635)

Authored July 13, 2025

[3.14] GH-132983: PEP 7 and Argument Clinic changes for zstd (GH-133791) (#133792)

Authored May 10, 2025

[3.14] gh-132775: Use _PyCode GetScriptXIData() (gh-134515)

Authored May 22, 2025

[3.14] gh-132983: Reduce the size of ``_zstdmodule.h`` (GH-133793) (#133854)

Authored May 10, 2025

[3.14] gh-127960 Fix the REPL to set the correct namespace by setting the correct `__main__` module (gh-134275) (gh-134473)

Authored May 22, 2025

[3.14] gh-132983: Remove leftovers from EndlessZstdDecompressor (GH-133856) (#133859)

Authored May 11, 2025

gh-132775: Unrevert "Add _PyCode_VerifyStateless()" (gh-133528)

Authored May 8, 2025

[3.14] Improve tests for str to Fraction conversion (GH-134010) (GH-134016)

Authored May 14, 2025

[3.14] gh-116738: Make grp module thread-safe (GH-135434) (#136658)

Authored July 15, 2025

[3.14] gh-134657: Remove newly added private names from asyncio.__all__ (GH-134665) (#136455)

Authored July 9, 2025

[3.14] gh-136421: Load `_datetime` static types during interpreter initialization (GH-136583) (GH-136943)

Authored July 21, 2025

[3.14] gh-133960: Improve typing.evaluate_forward_ref (GH-133961) (#134663)

Authored May 25, 2025

[3.14] gh-116738: Make _heapq module thread-safe (GH-135036) (gh-135309)

Authored June 16, 2025

[3.14] gh-128051: Fix tests if sys.float_repr_style is 'legacy' (GH-135908) (#136025)

Authored June 27, 2025

[3.14] gh-135371: Clean tags from pointers in all cases in remote debugging module (GH-135534) (#135545)

Authored June 15, 2025

Python 3.14.0b4

Authored July 8, 2025

[3.14] gh-135557: use atomic stores in `heapq` operations in free-threading (GH-135601) (#135787)

Authored June 21, 2025

[3.14] Clean up test_posixpath (GH-134315) (GH-134316)

Authored May 20, 2025

[3.14] gh-116946: fully implement GC protocol for `zlib` objects (GH-138290) (#138327)

Authored September 12, 2025

[3.14] gh-133489: Remove size restrictions on getrandbits() and randbytes() (GH-133658) (#134964)

Authored June 1, 2025

[3.14] gh-132983: Simplify ``_zstd_exec()`` (GH-133775) (#133786)

Authored May 9, 2025

[3.14] GH-135171: Fix generator expressions one last time (hopefully) (GH-135225)

Authored June 9, 2025

[3.14] gh-138171: Migrate iOS testbed location and add Apple build script (#138176) (#139204)

Authored September 29, 2025