The Scheduled Issues table is the place where you can see all created Scheduled Issues for the project. You can access Scheduled Issues table from the Project Overview page by clicking on the Add'ons icon on the left panel, then choosing Scheduled Issues link:
NOTE: Only users with the granted permission to manage Scheduled Issues can access that table. JIRA Administrators can set permissions in the Access Manager.
This is how the Scheduled Issues table looks like:
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