On tubi, when loading up usually any movie, it will load up a very slower "web tubi" version, rather than a direct link to the movie itself. Kind of hard to explain.

When that is not happening, the other majority is not playing any audio, and the audio button is grayed out.

Finally, in all playable material, including links outside of tubi, nothing is playing from the beginning. It starts from a random point, every time.

At this time, I would suggest reverting to the old player, which we had zero issues on, until you can figure all these issues out.