As of now, one salesforce can only integrate to one JIRA instance. This feature request is to allow multiple JIRA instances into one Salesforce
Note: user can integrate one JIRA to many Salesforce,
|Hosting platform||Cloud, Server|
[UPDATE - NEW]
We apologize for the delay. Our team is working hard to deliver the best values for our users, and this feature is currently on high priority on our backlog. Our current estimation for the release of this feature is by the end of Winter of 2022. We'll continue to post updates if there are fast forwards or delays due to unforeseen circumstances.
Jonathan - Product Management team