I implied that it will be in the next version 4.0.0 :)
We have already a remake of this feature, in our deveporer version (in github)
Do you like it?
You are doing nothing wrong, the file is just missing from the server :p , Sorry ^_^
Anyway, v3.3.0 has just some features disabled (they through errors), you will not gain sth upgrading.
You can get the latest build (v4.0.0) at its current state, from github:
Version 4.0.0 in develope:
Customer support service by UserEcho