Python's experimental JIT to be removed
The gist
Python's steering council paused work on CPython's experimental JIT and set a six-month PEP deadline.
The JIT code must now leave the main branch, though others can continue it.
How it unfolded
- 2024Brandt Bucher added the experimental JIT compiler to CPython for the 3.13 release.
- Apr 2024LWN covered discussion of PEP 744, the informational PEP the JIT work proceeded on.
- 2025Bucher gave a follow-up talk on the JIT at PyCon US 2025.