According to fedpress.ru, in particular, when restoring a new iPhone or iPad from a backup, it is impossible to use the Apple Music catalog and settings and the "Synchronization Library" on the new smartphone.
Also, if you turn on macro mode, then you cannot turn it off.
Some of the owners of the new iPhone 13 drew attention to the fact that they could not establish a connection with the Apple Watch. Apple Support advises you to reset the network, but this does not help solve the problem.
Apple assures users that the planned new software update will fix all the shortcomings.