@SolvrCasa Thank you for clarifying and adding to your previous message.
Much like many of the "solutions" any of us have had, it seems like a sort of 'it just happened to work for the individual person in their situation' resolution, and mileage may vary.
What worked for me, for example, was trying a variety of things until one of them just happened to fix it. Who even knows if anything I did specifically made it work or if, as I mentioned somewhere buried in this thread, ROKU just happened to fix something on their end at the time. It hasn't worked for others.
I think, other than ROKU fixing their update properly, anyone with the issue we've all been experiencing to varying degrees, should go through these threads and try every thing mentioned and hope one works for them.
Hopefully they don't break it again for any of us, or "fix" their update in a way that doesn't allow whatever worked for us before to continue working. Super frustrating that ROKU doesn't seem to bother addressing these issues or even acknowledging them.
It may be time to start looking at some Android TV options.