Click the admin dropdown and choose Add-ons. The Find new apps or Find new add-ons screen loads.
Locate Epic Subtask Issue Viewer.
Click Install to download and install your app.
You're all set! Click Close in the Installed and ready to go dialog.
Enhance Epics’ Visibility
Who wouldn't want an extended view of Epic subtasks and their progress? The Epic Subtask Issue Viewer brings all the subtasks related to the main Epic tasks into one place.
Compact & Dynamic
Epic Subtask Issue Viewer uses the power of a dynamic table to bring the most important information about each subtask to the forefront with sorting options of key issue fields, such as status or priority.
Do you need a list of open subtasks and you don't want to spend time writing a custom JQL? This is no longer a problem. The app offers a smart solution by clicking the search button on the right side of the panel.