Thank you for sharing your concern, @ethanli!
Our sincerest apologies for any inconvenience this may have caused you. No worries! We'd be more than happy to find you the best resolution to help you utilize the AirPlay feature again.
In this case, kindly try to turn off the IPv6 on your network connection. If you don't know how to do this, we suggest reaching out to your Internet Service Provider and letting them disable this. After doing so and the issue still persists, please provide us with the following details below:
We'll be anticipating your response as we are more than eager to help you utilize the AirPlay feature again.
Best regards,
Carly