For 4. The easiest custom measure will be using tuple. For example every ticket has “issue created” as 1 but adding another condition of status open will filter out every status else and that will be your count.
For 5. The page filter needs a field to be dimension. Which means all custom measure approach wont work. You have to have a field that exists in all epic, issue, and subtasks. Maybe you can use component field? Like add your color to each epic as component and same color to it’s issues and subtasks. Import as a dimension How to turn Component into a Dimension - #3 by zane.baranovska
But if there isn’t many epics. And you just want a focus mode. You can use select this feature. That will let you focus on that epic only pretty easily
