Found the answer by exploring the UI:
Even if the Epic issue is "DONE", it will show up in the Epics panel. To mark as done and remove from Epics panel in Backlog, you have to go to the Epic and there's a dropdown next to the name of the Epic to "Mark as Done":
Yes you can do this by selecting the option "Mark as done" that will set the Epic Status to Done.
Remember that is not the Issue Status.
We've implemented advanced epic pane filtering.
Have a look at the discussion here:
Introducing Jira Cloud for Excel Here at the product integrations team at Atlassian, we are thrilled to announce the new Jira Cloud for Excel add-in! This add-in lets you export Jira data directly ...
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