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We are experiencing an issue where our app is failing to upload via FastLane. 2021-11-04T21:37:39.7451660Z [21:37:39]: An error occurred while trying to call the requested method validateAssets. (1272) 2021-11-04T21:37:39.9320210Z [21:37:39]: [33m[iTMSTransporter] [2021-11-04 21:37:39 UTC] <main> DBG-X: parameter ErrorMessage = An error occurred while trying to call the requested method validateAssets. (1272) 2021-11-04T21:37:39.9323360Z [21:37:39]: [33m[iTMSTransporter] [2021-11-04 21:37:39 UTC] <main> DBG-X: parameter ShouldUseRESTAPIs = false 2021-11-04T21:37:39.9325760Z [21:37:39]: [33m[iTMSTransporter] [2021-11-04 21:37:39 UTC] <main> DBG-X: parameter Success = false 2021-11-04T21:37:39.9327900Z [21:37:39]: [33m[iTMSTransporter] [2021-11-04 21:37:39 UTC] <main> ERROR: An error occurred while trying to call the requested method validateAssets. (1272) 2021-11-04T21:37:39.9329740Z [21:37:39]: [33m[iTMSTransporter] [2021-11-04 21:37:39 UTC] <main> DBG-X: The error code is: 1272 2021-11-04T21:37:39.9332540Z [21:37:39]: [33m[iTMSTransporter] [2021-11-04 21:37:39 UTC] <main> INFO: Done performing authentication. Others have reported having similar issues: https://github.com/fastlane/fastlane/issues/19572 The system status page isn't reporting any issues for Testflight: https://developer.apple.com/system-status/

We have noticed a 4X increase in app launch time for UI tests in Xcode 12 compared with Xcode 11. App launch times were typically ~15 seconds and are now approximately ~75 seconds. When I pause the debugger, I can see that it is hanging on XCUIApplication.launch() Is this a known issue? Are others experiencing this issue? Should we be expecting to see this increase? Are there mitigations we can implement to improve the launch time?