When a story is expanded, items below equal to expanded story's length are marked as read

The title says it all, but let me give a step by step.

Step 1. Select a feed item that is NOT expanded to full text.

Screenshot for step 1: https://i.imgur.com/tO1FK9R.png

Step 2. Select “text” view.

Screenshot for step 2: https://i.imgur.com/VY6X8es.png

Step 3. Press J to move to the next item.

[I would have included a screenshot here or a link to a screenshot but I can’t because I’m a “new user” and there is a limit of one image and two links within a post for new user.]

Step 4. When the next item is selected, it gets expanded into text view. For some reason, this causes the articles below it to be marked as read. As if they had been scrolled past.

Interestingly, the articles marked as read are roughly equivalent to the length of the most recently expanded article.

I’ve been dealing with this issue for years and it has driven me crazy and I would appreciate a fix. Thanks!