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Python 3.13 Beta Out For Testing With Experimental JIT, Better Interactive Interpreter


The first beta of Python 3.13 is now available for testing ahead of its official release later this year.

The first beta of Python 3.13 is now available for testing ahead of its official release later this year. There is also an early, experimental just-in-time (JIT) compiler that will lead to performance improvements to come. Further making Python 3.13 exciting is an experimental free-threaded build mode that disables the Global Interpreter Lock (GIL), the cyclic garbage collector is now more incremental, a modified mimalloc is now included, new typing additions, and other changes.

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