7 March 2024

• In the “Web Content Accessibility Guidelines (WCAG) 2” section: replaced “WCAG 2.1 at a Glance” with “WCAG 2 at a Glance”.

29 February 2024

• In the “Web Content Accessibility Guidelines (WCAG) 2” section:
  • updated the link to “How to Meet WCAG 2” to target the WCAG 2.2 version: https://www.w3.org/WAI/WCAG22/quickref/.
  • reordered the “WCAG 2.x Standard” list items to start with WCAG 2.2.
• In the “Authoring Tool Accessibility Guidelines (ATAG)” section: updated a link to target the most recent WAI-ARIA 1.2 standard.

15 January 2024

• In the “Web Content Accessibility Guidelines (WCAG) 2” section:
  • added a link to the “WCAG 2.2 Standard”
  • removed “Working Draft” from “What’s New in WCAG 2.2” link text.

30 June 2022

• Renamed “Personalization” section into “WAI-Adapt” and extensively updated this section.

2 February 2022

• In the “Evaluation” section: added a reference to the WCAG 2 Test Rules.

30 April 2021

• In the frontmatter at the top, add changelog: /standards-guidelines/changelog/ between ref and layout:
  ref: /standards-guidelines/ # Do not change this
changelog: /standards-guidelines/changelog/
layout: default
  
• In the frontmatter, under footer: >:
  • Update the date.
  • Add CHANGELOG. after the date. Leave it in all capital letters and do not translate it.
    <p><strong>Date:</strong> Updated 30 April 2021. CHANGELOG.</p>

6 January 2021

Significant: Added links to What’s New in WCAG 2.2 and WCAG 3 Introduction.

• Add “2” with WCAG:
  • Change “### Web Content Accessibility Guidelines (WCAG) {#wcag}” to:
    ### Web Content Accessibility Guidelines (WCAG) 2 {#wcag2}
  • Change “WCAG info:” to:
    WCAG 2 info:
• Add links under WCAG info:
  • Before - [WCAG 2.0 Standard](https://www.w3.org/TR/WCAG20/)add:
    - [[WCAG 2 Translations]](/standards-guidelines/wcag/translations/)
  • On the same line with - [WCAG 2.1 Standard](https://www.w3.org/TR/WCAG21/) add:
    , [[What’s New in WCAG 2.1]](/standards-guidelines/wcag/new-in-21/)
  • Add a new line at the end:
    - [[What's New in WCAG 2.2 Working Draft]](/standards-guidelines/wcag/new-in-22/)
  • Check this matches the published version of the list. Here’s the full code block:
    - [WCAG Overview](/WAI/standards-guidelines/wcag/)
- [[WCAG 2.1 at a Glance]](/standards-guidelines/wcag/glance/)
- [How to Meet WCAG 2 (Quick Reference)](https://www.w3.org/WAI/WCAG21/quickref/)
- [[WCAG 2 Translations]](/standards-guidelines/wcag/translations/)
- [WCAG 2.0 Standard](https://www.w3.org/TR/WCAG20/)
- [WCAG 2.1 Standard](https://www.w3.org/TR/WCAG21/), [[What’s New in WCAG 2.1]](/standards-guidelines/wcag/new-in-21/)
- [[What's New in WCAG 2.2 Working Draft]](/standards-guidelines/wcag/new-in-22/)
    
• Before “## Technical Specifications”, add:
  ### W3C Accessibility Guidelines (WCAG) 3 Working Draft {#wcag3}
WCAG 3 is an early draft that is intended to become a W3C Standard. WCAG 3 applies to web content, apps, tools, publishing, and emerging technologies on the web.

WCAG 3 info:
* [[WCAG 3 Introduction]](/standards-guidelines/wcag/wcag3-intro/)
  
  Note that WCAG 3 = “W3C Accessibility Guidelines” (whereas WCAG 2 = Web Content Accessibility Guidelines).

11 September 2019 Significant

Significant: Added links to Pronunciation Overview.

• Before “## Other Areas of W3C WAI work”, add:
  ### Pronunciation
[[Pronunciation Overview]](/pronunciation/) — Pronunciation is about screen readers and other text-to-speech (TTS) synthesis pronouncing content properly.

17 July 2019

• Under “## Additional Information {#moreinfo}”, in first item, change URI link to https://www.w3.org/TR/?tag=accessibility:
  - [List of all W3C accessibility-related Standards ("W3C Recommendations") and Working Group Notes](https://www.w3.org/TR/?tag=accessibility)