9 new success criteria and one less in WCAG 2.2. Removing 4.1.1 from WCAG 2.2 impacting WCAG 2.0 and WCAG 2.1 as well (can’t fail 4.1.1 anymore). Even if three new WCAG 2.2 success criteria are on level AAA I don’t see reasons to not implementing them as they bring much value!