This question is in reference to Atlassian Documentation: Excluding releases from your plan
Once a release is excluded, is there a way to bring it back in later when it is more complete and ready to be planned?
I had the same question. You need to reimport it by editing your Issue Sources. See this answer for details:
Just the FAQs! Welcome to the Community, and this Focused-FAQ! Here, we've pulled together some of the most frequently asked questions associated with Jira Service Desk (JSD). We hope ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs