Just a few days after kicking off the public beta season and releasing a revised version of macOS 27 developer beta 3, Apple is now rolling out macOS 27 developer beta 4. Here are the details.
Source: [9to5Mac](https://9to5mac.com/2026/07/20/macos-27-golden-gate-beta-4-now-available-to-developers-heres-whats-new/)