Thank you, David, for providing instructions.  
	I will add some particulars of my experience installing the OTA that showed up a couple days ago on my rooted phone.  
	I uninstalled magisk using magisk manager.  I clicked "uninstall" on the bottom and then "restore images."  I think it's probably important to choose "restore images" rather than "complete uninstall."  It said "restore complete."  
	Then I downloaded the OTA.  The second screen "Installing.." said 100% with no status bar.  There was never a dialog to reboot. Finally after waiting several I hours, started poking around to see wh