JQL is not SQL, it is for finding issues, not telling something what to display.
You should be able to construct JQL to find the issues you want to report on, but the real challenge is going to be finding something to show you the data you want from the issues. There is a "time in status" report, which I think will try to tell you something, but I have not found it to be that useful myself.
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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