This is a maintenance release of Ace, the Accessibility Checker for EPUB developed by the DAISY Consortium. Installation instructions and other documentation is available on Ace’s development web site.
The Ace command line "package" is deployed to the official NPM registry under the "latest" release tag (the "next" release tag is used for intermediary test builds): https://www.npmjs.com/package/@daisy/ace/v/latest?activeTab=versions
Here is a copy of the changelog:
- Deque Axe: latest version 4.10.2
- Upgraded both Axe runners (Electron and legacy Puppeteer) to latest versions
- WCAG versions and levels fully enumerated (2.0, 2.1, 2.2 and A-AA-AAA)
- Translations: added Chinese and German locales, updated Japanese and Danish and Portuguese (Brazil)
- DAISY Knowledge Base Japanese redirection
- Website fixes and updates
- Feature: added Docker script to launch Ace Electron in "headless" mode (via virtual buffer)
- Feature: command line flag for process exit code 2 instead of 0 when successful evaluation failure
- Feature: command line flag for evaluation timeout (was only environment variable before)
- Feature: EPUB version now reported
- Feature: sponsorship banner link
- Feature: aria-details reporting on images (alongside alt, figcaption, describedBy)
- Feature(dev): Flox/Nix dependency management for project environment isolation
- Feature(dev): GitHub Actions continuous integration
- Feature(dev): updated the Deque Axe test harness to dump ruleset (DAISY KB mapping) and run single-HTML evaluation
- Feature(dev): tool to analyse dependency tree and prune unused packages that are needlessly included in the project
- Fix: metadata accessibility printPageNumbers/pageBreakMarkers (missing page breaks in publication content documents) VERSUS pageNavigation (missing navigation document page list)
- Fix: EPUB metadata pageBreakSource in addition to dc:source (and optionally the associated refines / source-of / pagination)
- Fix: added support for unknownXXXHazard
- Fix: EPUB pagebreak in addition to title and ARIA-label now allows ARIA-labelledBy and element content text
- Fix: page breaks role does not require epub:type
- Fix: navigation document page list can reference non-pagebreaks
- Fix: removed useless HTML outline
- Fix: added unit tests for image role separator
- Fix: report description was incorrectly checked
- Fix: some URL percent encoding parsing / escaping
- Fix: images with incorrect SVG xlink:href fallback cascade to non-namespaced href attribute (workaround for broken publications)