It should not be hard to do a fresh build yourself, the size of ram and flash is still enough, boards with half of that are more tricky (20/128KB - maple mini, blue pill, stlinkv2 dongle)
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.
there is UNMAINTAINED_BOARDS branch with these older boards
https://github.com/espruino/Espruino/blob/UNMAINTAINED_BOARDS/boards/HYSTM32_32.py
It should not be hard to do a fresh build yourself, the size of ram and flash is still enough, boards with half of that are more tricky (20/128KB - maple mini, blue pill, stlinkv2 dongle)