Aachen/Speyer, Germany, November 2015. The German language user meeting in Speyer, Germany, on October 21 and 22 was focused on the topic ‘Optimization with MAGMA5 Rel. 5.3’. More than 170 attendees came to the technical museum to exchange their practical experience using the new methodology for autonomous optimization. Examples of the use of virtual experimentation and design of experiments were recurring themes during the two day event.