Typically called JQL, it’s a simple query language to find info. For example, there’s a simple query to find epics with a particular affects version and/or fix version, or return epics that are missing information in a particular field.

The default or basic Jira can’t do some things though. Like I haven’t been able to get the total number of story points from issues within an epic. I think you need a 3rd party plugin for that.

Nice work!

You can also ask it to do write VBA code for Excel, or Jira queries.