Replication package of the paper "Graph-based visualization of merge-requests for code review: An exploratory study" The replication package contains the following material: - A zip archive containing the devised tool, reviewVis, divided into its two comments: CodeDiffParser and CodeDiffVis. - The template of the general online survey (as pdf document) - The template of the in-company study questionnaire (as pdf document) - The template of the understanding-focused survey (as pdf document) - The answers collected during the in-company study. - The answers collected during the first general online survey. - The answers collected during the understanding-focused survey (second survey) - The results of the card-sorting process used to analyse the collected results. - List of projects analysed to investigate average pull request s size. Please note that not all survey and in-company study participants agreed to share their answers in a publicly available dataset.