As I unfortunately still see the massive audio (routing) issues on a Xperia 10 II with this update, I’ve decided to summarise all the different kinds I’ve encountered so far again. Xperia 10 III audio and video problems trigger after a period of time in use - #60 by schmittlauch
Subjectively it might have even gotten worse and the issues appear more frequent, at least nothing has improved with the 4.6.x updates.