Python 3.11 was released on October 24th, 2022, bringing several improvements that make Python faster and more user-friendly. The new version includes a faster execution speed, with some benchmarks showing a 25% speedup compared to the previous version. Additionally, Python 3.11 introduces new features such as tomllib, asyncio's task groups, improved exception handling, typing improvements, including Self type, variadic generics, LiteralString, Never, assert_never, and assert_type. These enhancements aim to make Python more efficient, easier to use, and provide better support for developers.