I have a working Jira 4.4.5 and want to upgrade it to version 6.x.If I have a problem in this upgrade after a update in my license can I rollback it to 4.4.5 version again?Thanks.
You don't need to do anything. The licence format changed between 3 and 4. Any licence provided after version 4.0 is valid through to the current version.
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