Apple improves the process of transferring data to a new Mac. It will be similar to the iPhone
The vast majority of users don't have to set up a new smartphone, computer, or other device very often. However, it's nice when these processes have their own conveniences and simplified procedures. iPhone owners with iOS 11 (or later) who have updated such a smartphone at least once already know that it's worth bringing the new device to the old one, as soon as the offer for accelerated authentication and data transfer in fewer steps appears. A similar process will be with Mac computers.
9to5Mac has spotted the arrival of Proximity pairing for Apple computers in the beta versions of macOS 15.4 and iOS 18.4. Currently, similar functionality is implemented for configuring Macs through Apple Configurator, which is used in the corporate segment and computers in educational institutions. With the update, such functionality may also become available to ordinary users.
You'll also need an iPhone for this, though. Instead of having to enter passwords or set up a direct Thunderbolt wired connection, the system will instead prompt you to scan your camera's equivalent of a QR code, after which you can confirm that you want to sync your data with your new device. This really makes setting up a new computer more convenient and fun.
However, it is currently unknown whether this will only apply to accounts and saved data in iCloud, or whether the new Mac will be able to import all data and settings from the old device. However, there is nothing to prevent "replicating" a backup copy of the previous one, for example, a MacBook Pro, except that the user will still have to log in to most services and applications again. And if the new procedure allows you to avoid such moments and at the same time transfer all the necessary data, this will be a very good improvement indeed.