— A significant improvement over the 1998 version, aligning usability with modern systems thinking and quantitative measurement.
This definition is a slight update from the previous version (ISO 9241-11:2017), but it still maintains the core aspects of usability. iso 9241-11 2018 usability definition
: The user's subjective response, including their comfort and positive attitude toward using the system. The 2018 Revision: What Changed? — A significant improvement over the 1998 version,