Apple Releases Third macOS Tahoe 26.4 Public Beta

Apple today provided public beta testers with the third release of an upcoming macOS Tahoe 26.4 update for testing purposes.

How to downgrade from macOS 26 Tahoe on a new Mac

The only Mac to launch since Tahoe was released is the M5 MacBook Pro, so owners of that system will need Tahoe or newer. If ...
OS X Daily

Beta 2 of macOS Tahoe 26.4 & iOS 26.4 Released for Testing

Apple is moving fairly quickly through this particular beta cycle, with beta 2 arriving already for iOS 26.4, iPadOS2 26.4, ...
Tidbits

macOS 26 Tahoe Won’t Install on the M3 Ultra Mac Studio

Thanks to our old friend Ken Gruberman, who wrote on TidBITS Talk in response to “When Should You Upgrade to Apple’s OS 26 Releases?” (15 September 2025): If ...