Dual-Screen

I am using this app on a 12.9 iPad pro 4th gen on iPadOS 14.3, and it's easily the best Reddit I've used so far for iOS, especially for the large screen of this device. But I do have one glaring issue.

Despite having both the "Show comments full screen" and "Show subreddits full screen" options turned on, I still have posts and entire subreddits pop up in a smaller window instead of filling up the entire screen.

Now, those options work just fine when I click on a subscribed subreddit from the top or left sidebars, and even when I search for any subreddit (subscribed or unsubscribed) fro