Differentiate nested tasks for parent issues?
In a Kanban board setup it looks cluttered when we have a parent issue with sub-tasks under it. Sub-tasks are very slightly indented and you have to go by the tiny blue icons.
Is there a better way to organize these together, perhaps collapse them and only show the sub-tasks as Titles with checkbox icons?
Here's an example of what it looks like from a software project Kanban view:
