This document discusses changes between COBIT 5 and previous versions of COBIT. Some key changes include: - COBIT 5 introduces new governance processes and principles. - It places increased focus on enablers like culture, skills and frameworks. - The process reference model and some individual processes were updated or modified. - Inputs and outputs are now defined for each practice rather than just processes. - The capability maturity assessment approach was changed to be based on ISO standards rather than CMM.