Hi Patatrouf - did you find a resolution to your problem? I'm in the same situation. I'm working on an app that uses SSDP to detect UPnP drives on a users' local network. We recently released an update that was built with Xcode 12 which is now slow to find devices, if it finds them at all (complaints seem to be solely via iOS 14 devices). We've added the appropriate bonjour services and privacy requests to our info.plist, which I believe should be enough for things to continue to work as they did before. Having compared the app that was built with Xcode 11 and the most recent code that we're building with Xcode 12, I'm hard pushed to see what has changed. Thanks.