After 3 years and a 1000 hours, it is working allright, disgressions from it can lead to potential problems.
By the way the codde was written with a panel of pilots ranging from GA to Airlines, and o course the flight test directorate. Most of the limitations in the final version of the Codde for Phase one of EASy came at certification due to the inexperience of the EASA check ride test pilot on the system.
Fortunately for phase two , there is fresh blood on board..