I have successfully received a transferred app as per Apple's documentation on transfers: App transfers
However when uploading a new version of this app I receive this warning that is caused because the app is now under a different team ID:
Potential Loss of Keychain Access. The previous version of software has an application-identifier value of 'A1B2C3D4E5.com.company.app' and the new version of software being submitted has an application-identifier of '5E4D3C2B1A.com.company.app'. This will result in a loss of keychain access.
Does that mean that the app's bundle id has changed to include the new team ID? The error message seems to indicate that it has.
However in itunes connect the app's bundle id still shows without the team id as: