Python 3.15’s interpreter for Windows x86-64 should hopefully be 15% fasterKen Jin's Blog Python 3.15’s interpreter for Windows x86-64 should hopefully be 15% faster 24 December 2025 Some time ago I posted an apology piece for Python’s tail calling results. I apologized for communicating performance results without noticing a compiler bug had occured. I can proudly say today that I am partially retracting that apology, but only for two platforms—macOS AArch64 (XCode Clan
