AppleInsider is supported by its audience and may earn commission as an Amazon Associate and affiliate partner on qualifying purchases. These affiliate partnerships do not influence our editorial content.
It is unknown what fixes or upgrades are included in the update as Apple did not provide complete release notes, but the contents could be substantial as the download comes in at a hefty 1.08 GB.
Apple is making the final tweaks to its next generation OS before the software is launched in July.
Developers can access the software update through the Mac App Store.