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Software development tools primarily focus on supporting the technical work. Yet no matter the tools employed, the process followed, or the size of the team, important aspects of development are non-technical, and largely unsupported. For example, increasing distribution of development teams highlights the issues of coordination and cooperation. This paper focuses on one area: managing change requests. Interviews with industry and open-source programmers were used to create designs for the visual inspection of change requests. This paper presents fieldwork findings and two designs. We conclude by reflecting on the issues that task visualizations that support social inferences address in software development.

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As open source development has evolved, differentiation of roles and increased sophistication of collaborative processes has occurred. Recently, we described coordination issues in software development and an interactive visualization tool called the Social Health Overview (SHO) developed to address them [12]. This paper presents an empirical evaluation of SHO intended to identify its strengths and weaknesses. Eleven informants in various open source roles were interviewed about their work practices. Eight of these participated in an evaluation comparing three change management tasks in SHO and Bugzilla. Results are discussed with respect to task strategy with each tool and participants' roles.

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