Unfortunately i watched that video (first MLID video I watch, I had to put it in 2x given all the fluff).
No, no “details” are leaked, he simply claims Penelope and Nemesis are the codenames for zen 8 and zen 9, then speculates they will (the consumer versions) support DDR6 and PCIE6, and he’s not even convinced about PCIE6.
Basically no information besides the codenames and the fact zen isn’t being replaced by an architecture with a different name anytime soon. Could have been a single paragraph article.