"Peacekeeping and peacebuilding initiatives have evolved, transformed and adapted to new realities, with the aim of providing more effective and sustainable responses to armed conflicts and the processes that follow the aftermath of these conflicts. This evolution is visible in various forms. On the one hand, peacekeepers have been providing a wider range of responses, moving away from the simple monitoring of peace agreements only to providing stronger support for longer-term peacebuilding priorities – including electoral assistance,institutional support to governments, confidence building, security sector reform, and so on. To this end, this special Issue of Conflict Trends unpacks and provides clarity on some of the key questions and issues related to the peacekeeping-peacebuilding nexus, and how it impacts peacekeeping operations and the larger contexts in which they operate."