Same issue

Can not install TestFlight version: "This app cannot be installed because its integrity could not be verified." Issue began 12-07-2022 at 3 PM EDT Issue resolved itself 12-08-2022 6 AM EDT No changes were made to any settings

The issue had resolved earlier this morning but has returned. New TestFlight Releases will not install as of 10:30 AM EDT

8 PM EST This issue is not resolved. Installing new versions via TestFlight still gives the same error message