According to the docs you can now stream each individual Instrument through the mixer in Dorico.
You can now manualy correct how the AI works with Attack rates and Humanization.
RAM usage is reduced drastically because all NPPE Instrument are loaded as vst3 in the subroutine. The update is free for subscribers. User made play engines are now possible.
Traditional DAW composers now have real competition with AI based phrasing and user based custom made play engines on the horizon.
Writing scores with library orchestras in the classical sense but also with custom made library’s will have a major workflow speed up.
Composers with Notation background and skills will score a lot faster than with traditional DAWs and orchestra libraries.