| Feature | ISO 21500:2012 | ISO 21502:2021 (The Update) | | :--- | :--- | :--- | | | Withdrawn/Superseded | Active Standard | | Focus | Concepts and Vocabulary | Practices and Implementation | | Approach | High-level generic guidance | Actionable "how-to" guidance | | Processes | 39 Processes (Input/Output focus) | Focus on Practices and Outcomes | | Context | Project-centric | P3M context (Portfolio/Program alignment) |

| Process Group | Purpose | |---------------|---------| | | Authorize and define the project | | Planning | Establish objectives and course of action | | Implementing | Execute work and manage resources | | Controlling | Monitor progress, manage changes | | Closing | Formalize acceptance and close project |

update isn't just a minor tweak; it’s a complete structural overhaul that fundamentally changes how the standard works. Whether you're looking for the ISO 21500:2021 official standard