Safari Technology Preview 251 released for macOS

Apple has released Safari Technology Preview 251 for macOS Golden Gate and macOS Tahoe. This build allows developers to test upcoming WebKit changes before they are integrated into the consumer version of Safari.

The update introduces several new CSS features, including support for the @supports at-rule, the object-view-box property, and the random() function in custom properties. It also adds support for the corner-shape property and the ident() and inherit() functions.

Technical fixes in this release address accessibility issues, such as resolving SVG anchors without an href being exposed as links, and various layout bugs involving text overflow, subgrid constraints, and background image repainting.