New Python version 3.15 released by Astral

2026-10-11

Astral has launched Python 3.15, along with updated versions of Ruff and uv. This release includes native support for lazy imports, a new profiling tool named Tachyon, built-in frozendict and sentinel data types, and enhanced type-checking capabilities. The update also offers default ARM64 compatibility for Windows and various performance improvements to the toolchain.