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Connections between issues could sometimes get complicated. In order to visualize them in a desired way, there are two graph layouts to choose from - "hierarchical" (2) and "fluid" (3). This is done after clicking the drop-down menu (1):
Hierarchical layout
This layout positions issues to clearly show the hierarchy between them. It is possible to move single issue only horizontally, so the levels of hierarchy are not disturbed. When an issue appears or disappears, the whole graph gets rebuild to visualize new hierarchy of visible issues.
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