As a Product Owner, I want the ability to know if there are multiple users editing the same issue at the same time so that we do not loose or override the changes. 

I see this brilliant article on confluence where it presents the user(s) with an option to merge, change, override etc. why is this available for Jira? https://confluence.atlassian.com/conf74/concurrent-editing-and-merging-changes-1003128430.html

We have experienced numerous times issue with overriding data and sometimes erasing data in due the issue being in edit mode by multiple users at the same time.

DOwnsides:

data quality issues

overriding workflow controls

erasing existing data unintentionally

unintended misunderstanding and miscommunication

overall a poor user experience.

Benefits of implementing either a field locking or pop-up to merge conflicts ability or ability to view users editing the issue in real-time  (like on Lucidchart or Miro or Google docs)

• reduce data quality errors
• improve transparency and collaboration
• preserve data controls