Expo ios build fails

As of Jan 24, 2022, ios build that used to work has been consistently failing with the same code base. I am getting the following exception in the log. Code is use SDK 44 and the previous versions have built fine. (The code is identical to the last successful build with a couple of constants differing).
Any help would be great. Thanks. Currently cant create new release of the app :frowning:

Modifying NSBundle configuration at /private/tmp/turtle/bff9eab6-5dcd-4040-b632-c03e356555ff/archive/Release/ExpoKitApp.xcarchive/Products/Applications/ExpoKitApp.app...
Using standalone config: {
  isShell: true,
  manifestUrl: 'https://exp.host:443/@ht512512/LocalChefs',
  releaseChannel: 'default',
  testEnvironment: 'none'
}
Configuring iOS Launch Screen...
Cleaning up iOS...
Error: ibtool exited with non-zero code: 255
    at ChildProcess.completionListener (/usr/local/turtle-js/node_modules/@expo/xdl/node_modules/@expo/spawn-async/build/spawnAsync.js:52:23)
    at Object.onceWrapper (events.js:421:26)
    at ChildProcess.emit (events.js:314:20)
    at ChildProcess.EventEmitter.emit (domain.js:483:12)
    at maybeClose (internal/child_process.js:1022:16)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:287:5)
    ...
    at spawnAsync (/usr/local/turtle-js/node_modules/@expo/xdl/node_modules/@expo/spawn-async/build/spawnAsync.js:17:21)
    at spawnAsyncThrowError (/usr/local/turtle-js/node_modules/@expo/xdl/build/detach/ExponentTools.js:201:45)
    at Object.configureLaunchAssetsAsync (/usr/local/turtle-js/node_modules/@expo/xdl/build/detach/IosLaunchScreen.js:330:53)
    at async Object.configureAsync (/usr/local/turtle-js/node_modules/@expo/xdl/build/detach/IosNSBundle.js:714:7)
    at async Object.configureAndCopyArchiveAsync (/usr/local/turtle-js/node_modules/@expo/xdl/build/detach/IosShellApp.js:367:3)
    at async Object.runShellAppBuilder [as default] (/usr/local/turtle-js/build/builders/utils/ios/shellAppBuilder.js:67:12)
    at async Object.buildArchive [as default] (/usr/local/turtle-js/build/builders/ios/archive.js:39:26)
    at async Object.iosBuilder [as ios] (/usr/local/turtle-js/build/builders/ios/index.js:30:13)
    at async build (/usr/local/turtle-js/build/jobManager.js:181:33)
    at async processJob (/usr/local/turtle-js/build/jobManager.js:118:32)
    at async Object.doJob (/usr/local/turtle-js/build/jobManager.js:49:5)
    at async main (/usr/local/turtle-js/build/server.js:66:13)

Hmm, the problem resolved itself this morning and build is successful. Not sure what was the cause!

Hi @ht512512

There’s another thread about this where @notbrent linked to the status of the incident:

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