Which software/device are you using to flash the firmware with? I just tried here and it's fine.
And please can you try re-downloading the firmware? it's possible your download was corrupted somehow or possibly you downloaded the wrong file?
@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.
Which software/device are you using to flash the firmware with? I just tried here and it's fine.
And please can you try re-downloading the firmware? it's possible your download was corrupted somehow or possibly you downloaded the wrong file?