How do I link multiple Jira issues to OKR with JQL?
JQL will allow you to connect several Jira issues to Objective or Key results in single step.
Please follow these steps
Click near OKR you would like Jira issues connected to
Choose JQL tab
Search for your issues in Jira using JQL and click the search button, e.g.:
issuetype = epic project = "UHD" AND Sprint is not EMPTY project = "DM" AND assignee = "Christopher"
Check the number of issues resulting in this search
Click “Link”
How to use JQL you can read in this article.