is far from settled and indeed was not quite settled even within the tradition.
Though your suggestion about the possible relationship with the three kāya-s
is of interest, I do not think that it can be supported simpliciter by the extant
sources. A recent discussion, by Mario D'Amato, that does consider the soteriological dimensions
of the three natures doctrine, and references much of the previous scholarship is:
https://www.academia.edu/26898167/Three_Natures_Three_Stages_An_Interpretation_of_the_Yog%C4%81c%C4%81ra_Trisvabh%C4%81va-Theory

best,
Matthew

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