duplicate of https://answers.atlassian.com/questions/131328/how-to-participate-in-the-plugins-3-beta-for-a-jira-ondemand-customer
There's a better description and a proper answer from an Atlassian person there. So I'm really not sure why this has been asked again with worse information.
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Any other country that celebrates Midsummer holiday (this friday 22 June)?
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