Currently it is not possible to rename the cross project releases in tandem, we have the following feature request tracking interest in adding in this functionality, but with this limitation a manual rename at each project would be required if a name change is needed:
Hi community, I’m Roi, a product manager working on Advanced Roadmaps for Jira. While Advanced Roadmaps is a powerful tool to plan and track work at scale, we know it can be challenging to get star...
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