It'd be great if you could share your changes for the MTU size - it's something that would be worth pulling into normal Espruino builds.
I'm surprised that pushes the firmware size up though - could be you're using a different compiler? Older ones tend to produce bigger firmwares.
@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.
It'd be great if you could share your changes for the MTU size - it's something that would be worth pulling into normal Espruino builds.
I'm surprised that pushes the firmware size up though - could be you're using a different compiler? Older ones tend to produce bigger firmwares.