From the blog: Apps management in Jira Server just got improved

Since Jira Server 8.2, we’ve fixed several issues that caused performance degradation in large Jira instances when installing or updating the Marketplace apps. Until now, every update of an app could make Jira slow down or even freeze for some time. This was one of the most impactful bugs on causing friction to Jira users.

Head over to the blog to read more about this bug fix and it’s impact on plugin developers