Have you tried running it on a device? It works fine in the simulator but not on the device. Seems to be socket.udp sendto isn’t sending data as it should, I’m running a network sniffer and I see the data being sent fine when code is running on the simulator but on the device I am getting nothing. sendto was returning a refused error at one point.
The pong demo worked on my Android tablet. If using Android, did you remember to add the necessary wifi/network permissions to the build settings?
My app has been working for the last year+ and just isn’t anymore. Using a network sniffer I am not seeing any UDP packets. I have even removed AutoLan and am just using lua socket and still not seeing any traffic from my UDP connection.