Since upgrading to Xcode 12.5, attempting to submit an app for notarization with /usr/bin/xcrun altool --notarize-app has started failing ~10% of the time with the error Upload succeeded but did not receive a RequestUUID.. Has anyone else encountered this issue? ?xml version="1.0" encoding="UTF-8"? !DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd" plist version="1.0" dict keyos-version/key string11.2.0/string keyproduct-errors/key array dict keycode/key integer-1018/integer keymessage/key stringUpload succeeded but did not receive a RequestUUID./string keyuserInfo/key dict keyNSLocalizedDescription/key stringUpload succeeded but did not receive a RequestUUID./string keyNSLocalizedFailureReason/key stringUnable to upload your app for notarization./string /dict /dict /array keytool-path/key string/Applications/Xcode.app/Contents/SharedFrameworks/ContentDeliveryServices.framework/Versions/A/Frameworks/AppStoreService.framework/string keytool-version/key string4.050.1210/string /dict /plist