It's usually just for information purposes, by defaut it doesn't have any functional use.
if you want to block until related issues are closed, why not use sub-tasks and put a subtask blocking condition in JIRA workflow?
Or you can pay for a plugin to give you a workflow condition
In the past, Portfolio for Jira required a high degree of detail–foresight that was unrealistic for many businesses to have–in order to produce a reliable long-term roadmap. We're tur...
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