Part: Risk Management and Inspection -- Improving the Requirement Engineering Process with Speed-Reviews: An Industrial Case Study -- Towards a Perspective-based Usage of Mobile Failure Patterns to Focus Quality Assurance (Short Paper) -- An Exploratory Study on Risk Estimation in Risk-Based Testing Approaches (Short Paper) -- Part: Change Impact Analysis and Systems Testing -- Improving Manual Change Impact Analysis with Tool Support: A Study in an Industrial Project -- Testing of Heterogeneous Systems: An Exploratory Survey -- Part: Software and Systems Architectures -- Integrating Heterogeneous Engineering Tools and Data Models: A Roadmap for Developing Architecture Variants -- Evaluation of JavaScript Maintainability Issues and Solutions for Enterprise Application Development (Short Paper) -- Refinement-based Development of Software-controlled Safety-critical Active Medical Devices (Short Paper).