There's a lot of effort going on to improve CPython performance, with optimization tiers, etc. It seems the JIT is how at least part of that effort will materialize: https://github.com/python/cpython/issues/113710
> We're getting a JIT. Now it's time to optimize the traces to pass them to the JIT.
> We're getting a JIT. Now it's time to optimize the traces to pass them to the JIT.