There is an app on github TechServices created two years ago called ‘user story ancestor grid’. https://github.com/RallyTechServices/user-story-ancestor-grid
This app solves a lot of the inquiries that I see on a regular basis, especially because it allows us to filter on field in the hierarchy of those stories (e.g. stories with an Epic State of 'Done'). We can do this in queries too, but the UI filter is much more accessible for our entire user base. However, the filter capabilities on this app do not allow us to search for milestones or tags, the fields that could have multiple entries.
Anyone know if there is a similar app or have tips on inserting the right HTML code to allow a filter by milestone?