Information about actual Python program functions doesn’t show up. Python 3.12 enables an opt-in mode to allow perf to harvest details about Python programs, not just the runtime.

Take advantage of the high-level async functions in Python’s asyncio library to write more efficient Python applications.

Python 3.12 also brings changes related to types and type annotations. The new version introduces the override keyword and a new syntax for type parameters or generic classes and functions.