Homebrew 6.0.0 has been released, introducing a new tap trust security mechanism, a faster internal JSON API, and improved performance. The release also includes sandboxing on Linux, better defaults informed by a user survey, and initial support for macOS 27. Additionally, Homebrew has improved its handling of casks, including parallel formula installation and support for AppImage on Linux. The release also includes various deprecations and new features, such as a cooldown mechanism for Bundler and improved security measures.