Description: Impactful feedback is a fundamental concept in Extreme Programming (XP), an agile software development methodology. It refers to constructive feedback that significantly influences the development process, allowing teams to continuously adjust and improve their approach and outcomes. This feedback is based on open and honest communication among team members, as well as with clients and other stakeholders. The essence of impactful feedback lies in its ability to quickly identify problems, errors, or areas for improvement, enabling developers to make real-time adjustments. This not only enhances the quality of the final product but also fosters an environment of collaboration and continuous learning. In XP, feedback is obtained through various practices, such as code reviews, software demonstrations, and daily meetings, where progress is discussed, and challenges are raised. Therefore, impactful feedback is a driver of innovation and adaptation, essential for success in dynamic and changing development environments.