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Following https://developer.apple.com/documentation/coremotion/accessing_submersion_data I'm trying to "just get it started". I have a provisioning profile with the Shallow Depth and Pressure active, I have set the com.apple.developer.submerged-depth-and-pressure to true in the entitlements file, and get no errors or warning when compiling and starting the app on my Apple Watch Ultra. When my view appears, I init the submersion manager with the following code: guard CMWaterSubmersionManager.waterSubmersionAvailable else { return } submersionManager = CMWaterSubmersionManager() submersionManager?.delegate = self Logger.shared.info("SubmersionManager initialized") I get the printout SubmersionManager initialized, but then I get: An error occurred: The operation couldn’t be completed. (CMErrorDomain error 110.) Googling this error tells me this error means: CMErrorNotEntitled And I cannot find WHY the app is not entitled.. I find no information that this entitlement is not publicly available or anything.