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Here you can choose, which link types you want to display in the graph. You can only select those link types, which are available for your current issue. Select incoming/outgoing only to filter for those link categories.
Quick Filters
The Quick Filters limit the issues shown in your graph. Quick Filters can be configured in the app administration. Please find more information here.
Graph Configurations
You can edit the main parameters of your graph by clicking on the following symbol in the upper right corner of your graph:
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