SAFARI MEDIA PLAYER DOESN’T WORK PROPERLY

Since updating my iPad Pro 11” 2020 to iPadOS 14.7.1, Safari media player is not working properly: the video keeps showing the buffer wheel and when you click on the video the player’s controls don’t show up; it’s like the screen is frozen. Only the audio seems to work normally - I hear the video’s audio track go on while the image remain still.

My mom’s iPad Air 4 (that she bought last winter) was updated to iPadOS 14.7.1 too, but everything works normally; only my iPad Pro has this issue.

I tried to restart the iPad, to turn it off —> keep it switched off for a while —> reboot it but nothing worked, and the issue keeps showing up. What could it be, and how do I solve it?

Thank you so much for any help, and have a great day.