SortSite 6.57 Maintenance Release

The major feature in this release is support for the EN 301 549 European accessibility standard, to help comply with the European Accessibility Act (EAA). It also includes updated browser compatibility rules, plus the latest changes to the W3 HTML and CSS validators.

New Features

• Added support for EN 301 549
• Improved CSS error reporting

Rule Changes

• Updated browser compatibility checks to Chrome/Edge 138, FF 140, Opera 120
• Updated to June 2025 HTML 5 Validator
• Updated to June 2025 CSS Validator
• See full list of changed rules in engine 6.57

Fixes

• Various stability fixes and performance improvements