Python News Today Release 3.13 November 2025 =link= Link

If you encounter issues (rare), set the environment variable PYTHON_JIT=0 . 3. Type System: TypedDict Read-Only & TypeIs (PEPs 705, 742) Python’s type system continues its march toward full static verification, with two major additions: 3.1 TypedDict gains ReadOnly (PEP 705) You can now mark dictionary keys as read-only, preventing accidental mutation in type-checked code (Pyright, Mypy 2.0+, Pyre).

git clone https://github.com/python/cpython cd cpython ./configure --disable-gil --enable-optimizations make -j$(nproc) "The GIL will die, but slowly – with respect for the ecosystem." – PEP 703 author, Sam Gross From source (Linux/macOS): python news today release 3.13 november 2025

November 2025 – The Python community today celebrates the official release of Python 3.13 , a landmark update that solidifies the language’s position as the undisputed king of developer productivity without sacrificing the raw performance gains initiated by previous versions. If you encounter issues (rare), set the environment

— The RealPython Team, November 2025

pool = interpreters.Pool(8) # 8 CPU cores results = pool.map(is_prime, range(10_000_000, 10_000_100)) print(sum(results)) git clone https://github