Stop macOS 26 nagging with one tiny policy tweak

Averse to "liquid glass"? Are you happy enough with your Mac as it is? Try this local policy and banish those upgrade nag screens for a few months.

Stop Tahoe Update is a tiny script that persuades macOS to stop urging you to upgrade to macOS 26. Rather than any scary low-level hackery, it merely installs an even tinier custom profile that tells macOS a little white lie: your Mac is controlled by an organizational policy forbidding version upgrades.

Apple launched macOS 26 "Tahoe" in June 2025, and its new "liquid glass" design is not universally popular. (The social network formerly known as Twitter still has its moments occasionally, and @juanbuis's tweet remains our favorite commentary on this masterpiece of Apple's human interface design VP Alan Dye – who has now moved to Meta, we are sure by complete coincidence.)

Installation is very simple by Linux standards, although as ...