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I am finding the SNC thread [1] to have become a maze and now this thread is headed in the same direction. My understanding of custom (supported by [2]) is to send new versions as a new thread. This thread even complicates it more by mixing versions of different features in the same email thread. Reinette [1] https://lore.kernel.org/lkml/20230713163207.219710-1-tony.luck@intel.com/ [2] https://www.kernel.org/doc/html/latest/process/submitting-patches.html#explicit-in-reply-to-headers