Versioning History
This page provides a record of edits and changes made to this book since its initial publication. Whenever edits or updates are made in the text, we provide a record and description of those changes here. If the change is minor, the version number increases by 0.01. If the edits involve substantial updates, the version number increases to the next full number.
The files posted by this book always reflect the most recent version.
| Version | Date | Change | Notes |
|---|---|---|---|
| 1.01 | 12/3/25 | Book published | |
| 1.02 | 2/18/26 | Updated Chapter 3: Headings | Added new Pressbooks resources. |
| 1.03 | 3/6/26 | Updated Chapter 3: Headings | Clarified that having only one Heading 1 is a best practice, not a WCAG 2.1 AA requirement. |
| 1.04 | 3/31/26 | Updated Chapter 5: Color & Links | Pressbooks now indicates links that open in a new tab or window with a double-rectangle symbol |
| 1.05 | 6/2/26 | Updated Chapter 1: Accessibility considerations | Compliance date has been extended to April 26, 2027. |