Safari Technology Preview’s self-destructive macOS support policy

Safari has traditionally supported the latest three major macOS versions. For example, Safari 26 supports macOS 26 Tahoe, macOS 15 Sequoia, and macOS 14 Sonoma. Currently, the Safari 27 beta is available only for the macOS 27 Golden Gate developer beta, but the release notes indicate that the Safari 27 beta will also become available for Tahoe and Sequoia soon, perhaps along with the macOS 27…