This shows the date and time when the issue’s state was first transitioned to the provided status. Subsequent transitions / updates will not change this value once it has been recorded.

This can be useful in support workflows, to see the date when a ticket was first actioned for example.

For how-to questions please ask on Atlassian Answers where there is a very active community. Adaptavist staff are also likely to respond there.

Ask a question about ScriptRunner for JIRA, for for Bitbucket Server, or for Confluence.