you can upgrade to any version of JIRA released till 12 months from the date of purchase
check the comments out at this answer:
if you mean upgrade the user tier; you can enter your sen id and mail address that you purchased the license here, find out about your license and upgrade it:
if you want to update the JIRA version, you can find them here:
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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