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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.
@Gordon
The next batch of WiFi boards I get made will probably have a newer version on but that's some way off given the sales volume and stock I have.
In the past I've had a lot of success updating the ESP8266 without any need for soldering. I'll have a go now and see what happens.