there is https://github.com/espruino/Espruino/blob/master/ChangeLog (the first part grows until real release) and sometimes there are posts in News section https://forum.espruino.com/microcosms/557/
@fanoush 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.
there is https://github.com/espruino/Espruino/blob/master/ChangeLog (the first part grows until real release)
and sometimes there are posts in News section
https://forum.espruino.com/microcosms/557/