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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
Hi - sorry for the delay. It's likely because you haven't updated your Bangle.js to the latest firmware version. I'd have thought the App Loader should have warned you when you first connected.
See https://www.espruino.com/Bangle.js#firmware-updates for how to update the firmware.
It's because many of the apps are now expecting to be able to specify the color as a slightly more concise
#rgbformat. I believe that was introduced in 2v09 (we're at 2v10 at the moment), but I guess your watch may still be on 2v08 or earlier?