Build 6003 is the current . Its "proper" features focus on platform stability and enhanced BIM collaboration:
The standout advancement in ARCHICAD 21 was the introduction of technology for stairs. ARCHICAD 21 Build 6003
However, if you are looking for the "proper" or most significant feature of either version, Build 6003 is the current
: It includes the latest improvements for Bluebeam Connection and Solibri Inside, ensuring smoother data exchange and design checking workflows. ARCHICAD 21 Build 6003