Ever since the last update to Plex Dash, a small but useful feature is broken on the Android app on Pixel 5 (not sure about other devices).
Specifically, you can edit posters, but not backgrounds. The reason is because you can’t switch to them because the control has slid up into the phone info bar at the top of the screen. It’s impossible to tap to switch to the background image, because you instead trigger the phone menu.
Here’s a screenshot for reference:
