Thanks - I'll look into it now. It may well be related to this change which came in for v2.12.114: https://github.com/espruino/Espruino/commit/3cc43cde8c89fd68810a3d34930c79b3cecbbe49
@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.
Thanks - I'll look into it now. It may well be related to this change which came in for v2.12.114: https://github.com/espruino/Espruino/commit/3cc43cde8c89fd68810a3d34930c79b3cecbbe49