On November 17 and 18, 2021, the Fraunhofer IZM’s Environmental and Reliability Engineering unit hosted the »Reliability of Electronic Systems« workshop, covering the topic in its many diverse aspects like methods for system assessments, stress impacts, and  resulting failure mechanisms, empirical data and physics used in failure modelling, the systematics of FE simulation, the handling of reliability characteristics and parameters, and the means for assuring reliability by condition monitoring.