Your licence has an expiry date. If the target version of JIRA was released before that date, you can upgrade to it (even if it has expired). No costs.
If your licence has expired and you want a release after the end date, then you'll need to renew the licence to upgrade.
For the process, start reading at https://confluence.atlassian.com/display/JIRA/Upgrading+JIRA
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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