So the answer appears to be: it's not supported, and the S3 fork is still young but might work.
Yes - there's a board file called ESP32S3_IDF4.py and if you build that then it should work - although you'd have to figure out how to access the screen/keyboard/etc directly from JS, but that's probably not the end of the world as it seems reasonably well documented
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Yes - there's a board file called
ESP32S3_IDF4.py
and if you build that then it should work - although you'd have to figure out how to access the screen/keyboard/etc directly from JS, but that's probably not the end of the world as it seems reasonably well documented