I now have the black background but the show titles only take up the top 2/3rds of the screen.
2 rows of smaller tiles. This is on an Android TV install. With or without the advanced features toggle on.

Is this expected?

On my Android phone I get the 2 rows like in the past

This and the smaller ...

1) Can she read the Season numbers and the Episode numbers?

She can read the Season and Episode numbers in the Episode list but not for the current episode.

2) Can she read the episode titles?
No.

She says it is also important to read the recorded date, which is in one of the smallest fonts

Is there going to be a way to revert to the old interface?

My wife has low vision. She can no longer operate the TV due to the small fonts.

Pretty isn't always better in all cases.

I appeal to you to consider those with low or limited vision who can no longer use the HDHomeRun interface.

If this ...