Not sure what to suggest - so it's also broken on the 1v85 release?
What happens if you hit reset? On the nucleos a reset won't cause USB to be disconnected, so you'll see anything that gets written, even if it is only a few characters.
... and it's not just that you set baud rate to 115200 for ESP8266 and didn't change it back?
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.
Not sure what to suggest - so it's also broken on the 1v85 release?
What happens if you hit reset? On the nucleos a reset won't cause USB to be disconnected, so you'll see anything that gets written, even if it is only a few characters.
... and it's not just that you set baud rate to 115200 for ESP8266 and didn't change it back?