I've been using https://www.espruino.com/binaries/ESP8266_AT1.3.0.0-512k.bin which appears to be the last one that'll fit on 512k ESP8266 boards. It worked ok for me...
@Gordon started
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.
I've been using https://www.espruino.com/binaries/ESP8266_AT1.3.0.0-512k.bin which appears to be the last one that'll fit on 512k ESP8266 boards. It worked ok for me...