iOS + iTunes Podcast Episode Descriptions Glitchy

I'm quite flummoxed by an issue that I recently noticed with my podcast episode descriptions displaying in iTunes and on the iOS podcast app. The episode descriptions appear fine when browsing episodes, however they disappear once the podcast has been subscribed to.

Our RSS feed (https://oneworldidentity.com/feed/podcast/) passes every validator that I've run it through with no faults. Any help regarding this issue would be greatly appreciated, as it's driving me crazy. The other odd piece of information is that the RSS loads episode descriptions fine in all third-party apps I've tested, as well as the Google Play store.

Here are a few illustrative screenshots. Descriptions appear in "search" but once in "my podcasts" they disappear...