i saw a lot of article about how upgrade or restore a Jira instance, but I'm still confused. Is it possible to move one Project from old Jira version to another Jira instance with different versions without "damage" the Jira instance ?
Well, yes, but it's not a single step.
Single project import requires the source and target Jira instances to be on the same version. So, your process is either
thank you very much for your posting.
I'm not sure what you mean with import and export on each step.
Ah, ok, I've done this sort of thing too often, and skimmed the details, sorry
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