So far, none. Google podcast is pretty basic (feature-wise) to be honest. But being forced to give access to location and web history was a big turn off to me.

So far, none. Google podcast is pretty basic (feature-wise) to be honest. But being forced to give access to location and web history was a big turn off to me. However I found PodByte on the PlayStore that fit my small podcast needs without giving away all my personal data.