You need to capture that date in a custom field if you want to pull it into the search results. Since you are looking at the date when the issue is assigned, you will have to listen on the "Issue Assigned" event in a plugin.
Date of workflow transitions would have been easier since there are plugins that can set the current date on a custom field during workflow transitions.
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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