Cpython Release November 2025 New ((full)) -

The November 2025 update disables legacy ciphers (TLS 1.0/1.1) completely and adds preliminary support for (Module-Lattice Key Encapsulation Mechanism) as an experimental flag.

Python 3.14.1 is the , containing approximately 558 bugfixes, build improvements, and documentation changes since 3.14.0. It represents the initial round of stabilization—addressing issues discovered after the major release went live. cpython release november 2025 new

To run the free-threaded build:

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Changes/Python3.15 - Fedora Project Wiki The November 2025 update disables legacy ciphers (TLS 1

. By November, the codebase was frozen, meaning no further security or bug fixes are provided by the Python Core Development team Python 3.15 Alpha Development : The development cycle for Python 3.15 To run the free-threaded build: This public link

Key implications for developers:

3.14 allows skipping parentheses in except and except* blocks when an as clause is not required, leading to cleaner code. Safer finally Blocks