As Spectrum said it is working on a fix. This is because they maintain and wrote the app.
Its their baby.
Most Channels work fine and there is a plethora of them.
If you have Spectrum you can still view their cable service by switching your Source or Input button.
My mother has Spectrum as well in Palm Springs. Spectrum is far from without fault.
I spoke with spectrum this evening, 1/3/21. Roku and Spectrum could not reach agreement on a new contract. So anyone who bought roku got screwed on money the integrity of Roku is pretty poor