Now adding for review is working with Xcode 15.0.1. Thanks for resolving this issue.
nasir41
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Anyone still facing this issue? Try the following solution. Somehow I've also selected older version in the project format make sure to select xcode15 or whatever latest.
https://stackoverflow.com/questions/44323009/cant-submit-apps-to-appstore-error-itms-90534-invalid-toolchain