Variability Modelling and Analysis During 30 Years

Abstract

Variability modelling and analysis are among the most important activities in software engineering in general and in software product line engineering in particular. In 1990, the FODA report supposed a revolution in the importance of modelling and analysing of variability. In 2020, 30 years of variability modelling and analysis will be celebrated. In this paper, a short overview of the history and the importance of variability modelling and analysis is given, in concordance to that anniversary and on the occasion of Stefania Gnesi’s retirement. She was part of this amazing history.