A few years ago, I wrote a blog (here) to explore emerging forms of the doctoral dissertation beyond the five-chapter monograph.
This brief update foregrounds CAGS - Non-traditional dissertation profiles
https://cags.ca/category/projects/rethinking-profiles/
There is also a great set of papers from CAGS on Rethinking the PHD, that have been published between 2016 - 2018. https://cags.ca/category/projects/rethinking-the-phd/