Python, a popular programming language, has announced an optional Global Interpreter Lock (GIL) in its latest version. This feature allows developers to run Python code without the GIL, unlocking new possibilities for optimization and multicore processing. A recent test demonstrated notable performance gains when running threaded applications with and without the GIL.

Source: https://dev.to/doctorserone/performance-of-python-with-and-without-gil-4kaa