For additional information, you could upgrade without no cost if your license's maintenance period is not expired when the release is out. For example, if Confluence 5.2 is release on October 2013 and your license maintenance period expired in September 2013, you won't be able to upgrade to Confluence release version 5.2.
Hope that extra information clarify your doubts on this issue.
Hi my Community friends! For those who don't know me, I'm a product marketer on the Confluence Cloud team - nice to meet you! For those of you who do, you know that I've been all up in your Co...
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