Explore the key features of Python 3.11 in this informative video tutorial. Dive into improved error messages, including enhanced KeyError handling. Learn about variadic generics, the new tomllib module, and exception groups with the except* syntax. Discover asyncio's taskgroups for better asynchronous programming. Get a bonus guide on installing Python 3.11 on Ubuntu, Debian, or Linux systems. Gain insights to help decide whether to upgrade to Python 3.11 for your next project, with references to official documentation and relevant PEPs for further reading.