an ongoing process of acquiring, applying, and refining knowledge, skills, and practices to improve quality and relevance over time. Within OMERACT, it embodies the organization’s commitment to continuously refining methodologies, communications, and collaborative efforts in the development and implementation of Core Outcome Sets. Recognizing that Core Outcome Set creation is iterative, OMERACT adapts its approaches to remain valid, reliable, patient-centred, and responsive to stakeholder needs. This principle is enacted through sustained research, feedback incorporation, workshops, and a robust training infrastructure, creating a dynamic culture of shared learning and dissemination.