A final alpha and two bug fixes are awaiting your upgrade.

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Python Insider

Python has released three new versions: 3.15.0a8 (the final planned alpha for 3.15), 3.14.4 (fourth maintenance release with ~337 fixes), and 3.13.13 (thirteenth maintenance release with ~200 fixes). Python 3.15 highlights include PEP 810 explicit lazy imports, a new frozendict built-in type, a statistical sampling profiler (PEP 799), unpacking in comprehensions (PEP 798), UTF-8 as default encoding (PEP 686), TypedDict with typed extra items, TypeForm annotations, a new PyBytesWriter C API, and a significantly upgraded JIT compiler showing 6-7% performance improvement on x86-64 Linux and 12-13% on AArch64 macOS. The next pre-release, 3.15.0b1, is scheduled for 2026-05-05.

Python 3.15.0a8, 3.14.4 and 3.13.13 are out!

<p>frozendict looks interesting…</p>
<p>Immutability has piqued my interest lately, so I’ll be sure to check it out when Python 3.15 releases.</p>
