There's a proposal for Python to use UTF-8 mode on Windows by default. Most significantly, this means that open ()-ing a file in text mode would use UTF-8 by default rather than a locale-dependent ...

Nanosecond-resolution time objects. UTF-8 mode that uses UTF-8 encoding by default in the environment. A new built-in for triggering the debugger. Where to download Python 3.7 ...