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The migration is almost done, at least the rest should happen in the background. There are still a few technical difference between the old cluster and the new ones, and they are summarized in this issue. Please pay attention to the TL:DR at the end of the comment.
Pre-1.20 it currently has nothing to re-export and would cause clippy warnings, but like this it won't be forgotten to update the conditions if new API is added that is available from older versions.