This is the documentation of JSU for Jira Cloud. If you are using JSU on Jira Server/Data Center, you can find the documentation here.
This check will not pass, if not all linked issues (of a certain link type), have a particular status.
Bug 'BF-25' has been resolved, and so have its linked support issues. If the bug is reopened, and not all support issues are still open, they will be re-opened.