DSD mastering and quality

[stevensegal]

Already been answered here:

How is Octave Records' sound editing accomplished?

One of the reasons why DSD original recordings typically sound good is because the engineers know that there is very little to edit, at least if they don’t want to convert to and from PCM a couple of times. Consequently much more effort is put into capturing the sound correctly instead of trying to tweak it till it sounds reasonable with a lot of loss of details on the way. I have not encountered one poorly recorded song at Blue Coast Records, who also record to DSD natively. The result are d…

See also:

Is all of the music recorded, edited and mastered in DSD? | NativeDSD Help

and

Merging Technologies | Highlights | High Resolution

and

https://www.psaudio.com/podcast/sonoma-vs-pyramix/

DXD is just high rate PCM.