Software Architecture

This book constitutes the refereed proceedings of the 19th European Conference on Software Architecture, ECSA 2025, held in Limassol, Cyprus, during September 15–19, 2025. The 18 full papers and 9 short papers presented in this volume were carefully reviewed and selected from 80 submissions. They are grouped into the following topics: Architectures for MLOps; Large Language Models in Software Architecture; Architectures for Embedded Systems; Self-Adaptive, Secure and Federated Learning Systems; Microservice Architecture; Software Architecture Practices, Perspectives and Evolution; Industry papers.