The same license key will work for either version. The caveat here is that your license is up to date and valid. If your license has expired you won't be able to use it in a later Bamboo version.
See how to use Jira on the go! Demo Den Episode 5 is here: meet Jira Mobile with Jira Product Manager Rayen Magpantay. Demo Den is in our monthly series where a Jira PM demonstrates...
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