How use last version of mission planer with xplane?

i ve installed the last version of mission planer, and the simulation part is really different now than earlier version.
i guess at the bottom when i clic on the plane it chage the il software, but then, can t find anywhere were to conf path to xplane, start sim mode etc etc
is there an update tuto somewhere somebody can share?
also impossible to load waypoin in micro apm on mission planner, always get error message when i want to write them :frowning:

thxx for your time