Unfortunately, the mass update functionality via the UI (since the version 10 release) is a bit limited.
As a workaround I would suggest the following process:
1) Filter the Feature grid page to the results you want (i.e. Filter by owner)
3) update the owner - be sure to use the name EXACTLY as it is listed in Jira Align
4) Import those features back into Jira Align.
(Or, What to expect when you’re expanding.) Once you've completed your Jumpstart, or your initial assessment of Jira Align, you'll start to think about how you can roll it out to the rest of your e...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events