Part: Principles of Large-Scale Agile Development.- Towards Principles of Large-Scale Agile Development: A Summary of the Workshop at XP2014 and a Revised Research Agenda.- Characteristics and Principles of Scaled Agile.- Architecture in Large Scale Agile Development.- Industrial Challenges of Scaling Agile in Mass-Produced Embedded Systems.- Agile in Distress: Architecture to the Rescue.- Conventions for Coordinating Large Agile Projects.- Supporting a Large-Scale Lean and Agile Transformation by Defining Common Values.- A Model for Understanding When Scaling Agile Is Appropriate in Large Organizations.- Control in Software Project Portfolios: A Complex Adaptive Systems Approach.- Part: Refactoring & Testing.- A Measure of the Modularisation of Sequential Software Versions Using Random Graph Theory.- Refactoring Clustering in Java Software Networks.- Are Some Refactorings Attached to Fault-Prone Classes and Others to Fault-Free Classes?.- Capturing Software Evolution and Change through Code Repository Smells.- Considering Polymorphism in Change-Based Test Suite Reduction.- Part: Estimations in the 21st Century Software Engineering.- Effort Estimation in Agile Global Software Development Context.- Early Software Project Estimation the Six Sigma Way.