It’s not entirely apparent why This can be the situation, but at the time that Eberron: Increasing from the Last War was posted, there had not however been any non-humanoid playable races. If I were being to build an Artificer for hardcore that went to endgame (or at least epics) https://aarakocra-dnd45789.blogdigy.com/not-known-factual-statements-about-half-elf-5e-42056976