WCAG 2.2

1. Perceivable

   Text alternatives, time-based media, adaptable content and distinguishable content.

2. Text alternatives

   Non-text content requiring text alternatives.

3. Contrast (minimum)

   4.5:1 text contrast requirement.

4. Operable

   Keyboard accessible, enough time, seizures, navigable and input modalities.

5. Keyboard

   All functionality available from a keyboard.

6. Focus not obscured

   Focused components must not be entirely hidden.

7. Target size (minimum)

   24 by 24 CSS pixel pointer target size.

8. Understandable

   Readable, predictable and input assistance.

9. Accessible authentication (minimum)

   No cognitive function tests for login.

10. Robust: name, role, value

    Programmatic exposure of UI component semantics.

11. Status messages

    Announcing status changes to assistive technology.

12. Conformance

    Levels A, AA and AAA and conformance requirements.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

• Selectors Level 4
• Service Workers (W3C)
• SQL (ISO/IEC 9075)
• Streams Standard (WHATWG)
• The Go Programming Language Specification
• The Rust Reference
• URL Standard (WHATWG)
• WAI-ARIA 1.2
• WASI (WebAssembly System Interface)
• Web Application Manifest
• Web IDL
• WebAssembly Specification