The Arduino Lab Editor for MicroPython Version 0.8 is now available and within this new release, ... MicroPython is a lean and efficient implementation of the Python 3 programming language.

The Arduino team has also created a new Arduino Lab for MicroPython, offering coders and makes a simple, cross-platform IDE for MicroPython that supports any board with a serial REPL interface so ...

Just to flag this one, though you may have noticed it already: Arduino support for MicroPython - an optimised version of the language that runs on MCUs - is now available as a downloadable editor.