> Is sending new versions of patch series in response to the previous
> versions a new custom? 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,

Not new for me. I've always (tried) to link everything together.

But thanks for this link:

[2] https://www.kernel.org/doc/html/latest/process/submitting-patches.html#explicit-in-reply-to-headers

I see that this isn't desired. I'll switch over to adding a Link: URL in the cover
letter going forward.[1]

-Tony

[1] I'm going to need a v4 if only to s/Simply/Simplify/ in the subject of part 2 :-(