Orthodoxy and heresy are not synonyms for true and false, and sometimes the truth might lie with the heretics.
This is one key issue on which proponents of ID and of theistic evolution differ.
The standard evolutionary model is incapable of driving major transformations such as a fish evolving into an amphibian.
The design inference is obvious but often implicit, because explicit acknowledgement of design in biology carries with it substantial career risk.
There are innumerable descriptions and definitions of theistic evolution. How things are phrased matters a lot.