You can tell when this deal started to come together by looking at the history of the website on Wayback Machine. In fall of 2024, the website had a checklist comparing SDF to dbt and claiming SDF had a better feature set than dbt Core (page rendering is hit and miss right now for whatever reason):
https://web.archive.org/web/20240919110243/https://www.sdf.c...
In December 2024 the page had been updated to now compare "dbt Core" against "SDF with dbt": https://web.archive.org/web/20241217172451/https://www.sdf.c...
Little marketing switcharoo there to avoid pissing off their future owners.