You will need a system that can "sync" between JIRA systems. There are none built into JIRA, so you will need to write one for yourself, or better, have a look in the marketplace for add-ons to handle it.
https://marketplace.atlassian.com/search?product=jira&query=synchronize will get you a list, but you will want to narrow it down more (as it's showing things other than jira to jira)
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
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