Log does not work when 'redirect' actions is used on a form

We have enabled logging on most of our chonoforms forms to be able to retrieve info when e-mail go missing for example. We encoutered an issue where logging did not store the submitted form when a redirect action (to a joomla rticle) was used. After removing this action and adding a message action the form was stored in the log again,
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The redirect action itself did work OK. The form was submitted, mail was send, redirect done OK. But no log data.
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I think this is a bug?

Yes, you can overcome this issue in v6 by adding a time delay to the redirect, this will log first then redirect.
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This has been fixed in v7

v7?? What? When?
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Can we upgrade to V7 from V6 easy? We had some headaches with moving forms from v5 to v6. Hope this will be easier this time...