Server Version#: 1.24.5.5173
Player Version#: 5.28.2 (The Frame 2020)
If you navigate in the HOME to some recently added item (or on deck item) and navigate back to HOME either the bottom hub or the whole set of hubs is duplicating itself as often as you navigate back and forth.
You can fix this by navigating away from HOME to e.g. TV-SHOWS on the side column.