A new compression.zstd module brings built-in support for the high-performance Zstandard compression algorithm. Python 3.15: The Alpha Phase Begins What's new in Python 3.14 — Python 3.14.4 documentation
Python 3.14, nicknamed "Pi" due to its version number, is now the stable standard. This release introduced several landmark features that developers are beginning to integrate this November: cpython release november 2025 new
Type annotations are now evaluated lazily by default. This change significantly reduces startup overhead and removes the need for from __future__ import annotations to handle forward references. A new compression
Introducing the t"" prefix, PEP 750 provides a more controlled way to perform string interpolation. Unlike f-strings, t-strings return a Template object, allowing for custom processing and safer domain-specific substitutions. t-strings return a Template object
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