Schema mechanisms are software frameworks designed to reflect learning theories like genetic epistemology, constructivist epistemology, and developmental learning. Building on Gary Drescher’s pioneering implementation from 1991, this paper reviews four contemporary schema mechanisms: CALM, LIDA, ECA, and AERA. While maintaining Drescher’s Piagetian-inspired view that sensorimotor schemas serve as the foundation for knowledge construction, these new mechanisms extend the constructivist approach by grounding schemas in interactional events rather than static world perceptions. This shift introduces an interactional motivation framework and integrates hierarchical abstraction, internal simulation, and physical space into schemas, paving the way for their application in autonomous robotics operating in open environments. We believe that these advancements mark the emergence of a new generation of schema mechanisms, which we refer to as Schema Mechanisms 2.0.