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Between April 23, 2019 4:35 AM UTC and April 24, 2019 11:00AM UTC , Jira cloud customers potentially experienced the inability to assign issues to some users. The root cause was a change in the way that inactive users were being handled in a specific function within Jira. This change was controlled by a feature flag that has now been turned off. The issue has now been resolved and all services are now operating normally.
Posted Apr 24, 2019 - 12:35 UTC
Update
We are continuing to investigate this issue.
Posted Apr 24, 2019 - 11:08 UTC
Investigating
We are investigating an issue with assigning users to Jira issues that is impacting some Jira Cloud customers. We will provide more details within the next hour.