Now the cart has become cross-platform: products are synchronized and visible on all devices on which the user is logged into the account. Ordering is now done in a single tab, making interaction with the service easier and faster.
Moreover, Steam now has the opportunity to order and save gifts for more than one friend at the same time. A private games feature is also available, so you can share part of your library with friends but hide some games.
Source: Ferra

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