This book constitutes the refereed proceedings of the 17th Software Quality Days Conference, SWQD 2025, held in Munich, Germany, during May 20-22, 2025.

The Software Quality Days (SWQD) conference started in 2009 and has grown to the biggest conference on software quality in Europe. The program of the SWQD conference is designed to encompass a stimulating mixture of practical presentations and new research topics in scientific presentations. The guiding conference topic of the SWQD 2025 is “Software Quality, Balancing Software Innovation and Regulatory Compliance”.

The 4 full papers and 2 short papers presented in this volume were carefully reviewed and selected from 14 submissions. The papers were organized in topical sections as follows: Keynote; Model-Based Software Testing; Machine Learning and Large Language Models; Security and Compliance; and Academic-Industry Collaborations. In addition, the scientific keynote to SWQD is also included.