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WCAG 2.2 vs WCAG 2.1: What's New and What You Need to Update

WCAG 2.2 became the official W3C web accessibility standard in October 2023, adding nine new success criteria and retiring one outdated rule from 2.1. If your site is still audited against WCAG 2.1, you're already behind — this guide breaks down every change, what it means in practice, and exactly what you need to update.