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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.
This manifests in a gst-launch-1.0 pipeline using ts-udpsrc, since notification of used-socket results in the property being read by the application, and the settings lock causes a deadlock.