iOS 16.3 now available with support for new HomePod, security keys

Apple has released iOS 16.3, bringing support for the newly-announced HomePod and physical security keys used for two-factor authentication.

Following a beta period that started on December 14, the update for iOS 16.3 is now downloadable to iPhone. It doesn't appear to have many user-facing updates, though it ensures compatibility with the new HomePod and its features.

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