The experimental Just-In-Time (JIT) compiler first appeared in 3.13. While its initial performance gains were modest, it set the stage for the more robust JIT upgrades seen in later versions.
Based on the timeline of Python 3.13's development, "today" (or rather, the current window of late 2024) represents a monumental pivot point for the language. Python 3.13 was officially released on . python 3.13 news today