Apple Releases Safari Technology Preview 199 – Brings Bug Fixes and Performance Improvements

Apple has released Safari Technology Preview 199, the latest version of its web browser for developers. The preview of Apple’s popular browser offers developers and other interested users the opportunity to try out features that may or may not appear in future public versions of Safari.

‌Safari Technology Preview‌ 199 includes fixes and updates for Apple Pay, CSS, editing, JavaScript, multimedia, rendering, and WebRTC.

The current version of ‌Safari Technology Preview‌ is compatible with macOS Sonoma and macOS Sequoia beta, the latest version of macOS tested by Apple.

Safari Technology Preview Release 199 is now available for download for macOS Sequoia beta and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update.

This release includes changes in WebKit between: 280287@main…280674@main.

• Fixed any 8-digit limit on total order item amount. (280584@main) (112078798)

• Added support for (prefers-contrast: custom). (280383@main) (103658875)

• Fixed calculated values ​​for text-box-edge. (280413@main) (117643064)
• Fixed: Improved large mesh performance. (280473@main) (130728344)

• Fixed an issue where editing a text input method would occasionally cause the composition range to be lost. (280291@main) (130020224)

• Added support for Uint8Array.prototype.toBase64 AND Uint8Array.prototype.toHex. (280654@main) (129045737)

• He fixed it Intl.DurationFormat Down numeric AND 2-digit. (280460@main) (130279541)

• Fixed missing picture in picture that occurs after exiting Safari with picture in picture enabled in the video viewer. (279877@main) (124376686)
• Fixed a hang in WebAudio. (280604@main) (130531570)

• Fixed handling of border, padding and margin mfrac AND mspace elements in MathML. (280665@main) (131119823)

• Fixed reveal counter styles to take into account writing-mode. (280433@main) (130468537)

• He fixed it RTCAudioPlayoutStats to match the network specification. (280461@main) (130767124)