Issue tracking systems serve as the primary tool for incorporating external users and
customizing a software project to meet the users' requirements. However, the limited number …

Context: Addressing user requests in the form of bug reports and Github issues represents a
crucial task of any successful software project. However, user-submitted issue reports tend …

Open Source Software (OSS) development has seen a considerable increase in attention
over the last few years. The success of various OSS projects, such as Linux and Apache, is …

Abstract Sponsored Open Source Software projects, driven by various actors, have to
balance the needs of volunteer contributors and business objectives. This work presents …

Open-source projects commonly receive new feature requests from different types of users
from layperson end users to developers, who actively contribute code to the project …

Users of software applications use Issue Tracking Systems (ITSs) to file enhancement
reports, which leads to a large quantity of user requests. Indeed, these reports have become …

Open Source Software (OSS) projects rely on the efforts of thousands of software
developers. The sustainability and diversity of these communities are two important factors …

The existence of a community plays a central role in the development of Open Source
Software (OSS). Communities are commonly defined as a group of people sharing common …

In proprietary or closed source software (CSS) development, there is a formal requirements
engineering (RE) phase for discovering the requirements for an application. The …

This habilitation thesis presents perspectives on digital sustainability, a novel concept
connecting digitalization with sustainability. It explains why digital artifacts such as software …