seniorPython
Global Interpreter Lock (GIL) Removal in PEP 703
Updated May 4, 2026
Short answer
A proposal to make the GIL optional in CPython.
Deep explanation
PEP 703 introduces 'Free-threading'. It involves using biased locking and thread-safe reference counting to maintain memory safety without a global lock, enabling true parallelism for CPU-bound tasks.
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