On Oculus Quest - The bottom portion of Media Player Textures are clamped.
Confirmed in 4.24 MAIN @ CL 7226586
Play a Media File via material with Oculus Quest. (Unable to reproduce on Note 4)
Result: Pixels near the bottom of the video will get clamped.
4.21 test project compatible with Android phones attached - Please see UDN for Licencees test project.
There's no existing public thread on this issue, so head over toAnswerHub just mention UE-77062 in the post.