Resolved -
All tenants have been updated, and the system is fully operational again.
Jun 10, 12:00 IST
Monitoring -
Atlassian has fixed the issue. We are monitoring Zephyr Essential (Squad) to see if the authentication is being fixed. It might take longer for Zephyr to recover, as Jira has to process missed scheduled triggers to update the authentication for impacted users.
Jun 10, 06:15 IST