A recent change to how the YouTube app on Android renders full-screen videos is causing some headaches for viewers.

YouTube app on Android troubles users yet again, this time with gray bars. Typically, you see the black bars on both sides when the video’s aspect ratio mismatches with YouTubes ...

The YouTube app is showing gray bars on full-screen videos, in a distracting change for users. The change affects videos displayed on AMOLED screens especially, but a fix is already in the works.