Atlassian has announced that Single Sign-On (SSO) for external customers is now being released. Atlassian is gradually deploying it to all Jira Service Management sites, and if you're eager to jump ahead and activate it immediately, feel free to request it by email.
You'll be able to configure Jira Service Management to enable SSO authentication for your external customers in your Help Center. In this post, you can learn how external customer SSO work and how to set it up.
