Hi @TPM1,
Thanks for reaching out to the Roku Community.
Let us help you get connected your Apple device to your Roku TV. Have there been any recent changes to your Roku TV? Do you receive an error message or code when you tried to connect? Could you try to use another Apple device to Airplay on your Roku TV?
There are a few steps you can take to troubleshoot the issue, follow here: Screen mirror your Apple device with AirPlay
Keep us posted on what you find out.
Regards,
Nimfa