On the new version of the app (2025.15.0), for devices using Samsung DeX the UI refreshes and locks to portrait mode even after turning off DeX, video playback does start/resume in landscape mode.
Plex main UI reverts back to landscape mode after stopping the app while DeX is off.
On PMS server I disabled ALL online media sources, LIVE TV still shows up on the UI regardless of landscape or portrait mode
Server Version#: 1.41.7.9749
Player Version#: 2025.15.0