Spiller Will,
I get a beach ball when I switch views both in the Library - when switching from "Music" to "Podcasts" for example, and within views in "Podcasts" - from "My Podcasts" tab to "List" tab views for example.
However, for me, the beach ball does not occur all the time. And if it does, it lasts 2 seconds tops.
Before the August 8 update, I would get a beach ball and then iTunes would become totally unresponsive, meaning I had to force quit.
I have reported this issue to Apple support.
I just want to check with you Spiller, if the beach ball continues and the iTunes becomes unresponsive. Or, if the same thing is happening like with me, you get a beach ball, but after a wait, iTunes responds and does not have to be forced to quit. With the same thing happening when switching between view tabs within podcasts and of course between libraries.
Also, how large is your podcast library? My library is just over 1TB in size. On another Mac with only a few podcasts, this issue does not occur for me.
Looking forward to hearing from you. 🙂