The Epic Label is meant to be a very short description of the Epic (< 15 chartacters), so there's actually nowhere to copy it from (the summary is usually to long). As a result we don't plan to have an automatic sync from Summary to Epic Label.
When you say synced to JIRA what do you mean exactly? You can show the Epic Label field on the view issue screen and edit it from within JIRA if you wish.
Hello everyone, I am a product manager in the Jira Cloud team focused on making sure our customers have a delightful experience using our products. Towards that goal, one of the areas which is extr...
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