The summary of a sub-task is almost always prefixed with the ID of the parent issue, and there's no need to think about "links" as the sub-task always belongs to a parent.
There are some places where it is not, but only when the display is already making it obvious, such as when you are viewing the parent and looking at the "sub tasks in this issue" panel.
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
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