I think they change it all the time, the supplement with data structures of characteristics are here https://www.bluetooth.com/specifications/assigned-numbers/ on same page together with all those service UUIDs
@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.
I think they change it all the time, the supplement with data structures of characteristics are here https://www.bluetooth.com/specifications/assigned-numbers/ on same page together with all those service UUIDs