Safari Technology Preview 238 introduces several new web platform features and bug fixes across CSS, animations, forms, scrolling, and Web APIs.
- •Enabled threaded time-based animation resolution, allowing CSS Motion Path animations to be accelerated and synchronized with scroll-driven animations off the main thread.
- •Added support for the CSS :open pseudo-class and enabled customizable <select> elements with appearance: base-select for custom styling.
- •Enabled scroll anchoring to prevent visible jumps when content is inserted or removed above the viewport.
- •Added ReadableStream.from() support and ReadableStream transfer via postMessage(), plus WebAssembly JavaScript Promise Integration (JSPI).
- •Fixed a security issue where Safari's address bar could display IDN homograph phishing domains visually identical to legitimate Latin domains.
This summary was automatically generated by AI based on the original article and may not be fully accurate.
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