Apple Seeds macOS Sierra 10.12.3 Beta 1 to Developers

Apple today has officially seeded the first developer beta for macOS Sierra 10.12.3 to developers, just one day after releasing macOS Sierra 10.12.2 and almost three months after launching the macOS Sierra operating system.

Because this is a first beta, we don’t yet know what features are included in the update, but Apple’s release notes say the 10.12.3 update “improves the stability, compatibility, and security of your Mac.” We’ll update this post with any changes that are discovered in the beta.

Available since September, macOS Sierra is the latest Mac operating system. It includes Siri support, Apple Pay for the web, Universal Clipboard, Apple Watch auto unlocking, improved iCloud Drive integration, Picture-in-Picture multitasking, and dozens of smaller features.

The beta software is available through Apple’s dedicated developers page, and can be downloaded from there.

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