Repos tab

P4V version 2020.2 is the first version to provide the Repos tab:

which allows you to view each repo for which you have read permission. See Permissions in Helix Core Command-Line (P4) Reference.

The Repo tab's context menu makes it easy to see that repo in the Depot tree:

You can reorder the columns by drag-and-drop, as well as sort the rows of any column (ascending or descending) by clicking its name: