This is a known limitation within the export ability of JIRA. JRASERVER-10156 does document this in more detail. That issue does also list a work-around where you could use a 3rd party plugin such as, Xporter - Export issues from JIRA.
That in turn could be used to export this information along with the JIRA issue.
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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