Once you open Dependency Viewer you will see the list of all issues from your Jira filter.
The top bar provides you with several filtering options of the displayed data:
Filter Configuration
You can select the Jira filter you wish to apply: by default the current project is selected but you can select any previously configured filter, marked as a favorite with the star symbol.
Quick Filtering by Status Category
You can additionally filter the displayed data by Status of the issue: To Do, In Progress and Done.
By default, all statuses are selected.
Quick Filtering by Link Type
You can additionally filter the displayed data by clicking on Link Types: you can select or deselect Blocks, Cloners and Duplicate, Parent/Child, Problem/Incident, Related and Issues without links.
By default, all link types are selected.
Selecting/Deselecting of Columns
By default, the list will have 8 columns: Key, Summary, Status, Assignee, Last comment date, Last Change, Progress and Actions. You can deselect any of them in the Columns filter.
By clicking on the name of each column you can sort the displayed data.
Further to filtering the top bar will let you: