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I have recently (ie, yesterday afternoon and today) been experiencing issues with Xcode response. Often Xcode presents the beachball cursor and just hangs and must be Force-Quit. After hours of trying different things, including an empty new project, I realized that some tasks in Xcode caused the beachball cursor, one of which was code completion. I turned off WiFi on my MacBook Pro (details below) and Xcode worked just fine. I turned WiFi back on and then verified that WiFi was not an issue: Websites (like this one) easily reached Speedtest.net checks my download speed at 52.8 mbs/upload at 11.5 mbs. As soon as WiFi was turned back on, the beachball cursor in Xcode came back. QUESTION: Is there a remote resource at Apple that Xcode is trying reach that is having issues on 26 March 2021, approx 9:30am EDT? Xcode 12.4 macOS 11.2.3 MacBook Pro 16" Intel Processor