SortSite 6.51 Maintenance Release

This release has improved contrast detection for text on background images, plus improved CSS support. It also includes updated browser compatibility rules, plus the latest changes to the W3 HTML validator.

New Features

• Now checks iframe srcdoc contents
• Improved background image text contrast detection
• Improved CSS support

Rule Changes

• Updated browser compatibility checks to Chrome 120, Edge 120, Firefox 120, Opera 105
• Updated screen reader compatibility checks to NVDA 2023, JAWS 2023, macOS 13 and iOS 16
• Updated to November 2023 HTML 5 Validator
• Updated to September 2023 URL Standard
• Updated user agent stylesheet to match November 2023 HTML Living Standard
• See full list of changed rules in engine 6.51

Fixes

• Make DOM tree for unclosed formatting elements match browser DOM instead of W3 validator
• Various stability fixes and performance improvements