https://www.youtube.com/watch?v=X1m_1xIB550
There is no proof, however, there is some Evidence, that D&D is going to double down on using AI art in its books.
In short, after laying off a TON of people at Wizards, they now have a job listing for a "Digital Artist" who's only requirements are Photoshop, Color Management, & Color Theory.
That's it.
Most of the job description discusses "retouching art"
This is of course subjective, but seems at least a little fishy.