This page is an archive of changes to the knowledge base made in 2024. For the latest changes to the site, refer to the site what's new page.

Changes are listed from most recent to oldest.

December 11, 2024 — MathML caution removed

The caution about using MathML has been removed as support for MathML rendering continues to improve.

September 19, 2024 — New pages for QR codes

Although QR codes are most often associated with getting people from physical to digital media, they are starting to appear in digital publications. QR codes can be helpful for devices that are not connected to the internet, but they need to be created accessibly to be useful to the greatest number of readers. The knowledge base now includes a page covering best practices for QR codes.

March 28, 2024 — New pages for accessibility features

The knowledge base now includes separate pages for each of the schema.org accessibilityFeature values. As the list of these values grows, maintaining their explanations in a single page has made discovering information about them more cumbersome. By breaking them out into separate pages, each value now includes more information and examples.

March 21, 2024 — New pages on setting the text direction

The knowledge base now includes two new pages covering the use of the dir attribute to set the base direction for text in the package document and in HTML documents.

February 22, 2024 — Expanded guidance on page navigation

The page on page navigation is now split in four:

These pages provide additional context on their respective topics, as well as update and expand on the examples and frequently asked questions.

Some of the new issues covered include not adding page breaks to headings, how to identify the source of pagination when the source does not have a unique identifier, and that preference should now be given to the pageBreakSource property.