With the cutting edge build I had a not responding watch this morning for the first time ever when I picked it up. It lagged about some seconds on both twist and touch. This disappeared after 15 seconds. May be just coincidence. I don't have insights what you changed.
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.
That's great! And power saving is definitely still enabled?
If you don't experience more crashes then I might release a 2v08 version soon as it'd be nice to get this sorted.