The ability to select 3x or 4x is coming. We don't know when for certain, and OS 12.5 is apparently a requirement for it. But some that already have 12.5 still can't change the home screen, so Roku is still holding back on its release. Why, they won't say. So all we can do is wait for it.
Dan
Roku Community Streaming Expert
Help others find this answer and click "Accept as Solution."
If you appreciate my answer, maybe give me a Kudo.
I am not a Roku employee, just another user.