Borrador de WCAG

En Web Content Accessibility Guidelines (WCAG) 2.2 se encuentra el borrador de la próxima versión de WCAG.

El objetivo de WCAG 2.2 es:
WCAG 2.2 was initiated with the goal to continue the work of WCAG 2.1: Improving accessibility guidance for three major groups: users with cognitive or learning disabilities, users with low vision, and users with disabilities on mobile devices. Many ways to meet these needs were proposed and evaluated, and a set of these were refined by the Working Group. Structural requirements inherited from WCAG 2.0, clarity and impact of proposals, and timeline led to the final set of success criteria included in this version. The Working Group considers that WCAG 2.2 incrementally advances web content accessibility guidance for all these areas, but underscores that not all user needs are met by these guidelines.
Y la compatibilidad hacia atrás se mantiene:
WCAG 2.2 builds on and is backwards compatible with WCAG 2.1, meaning web pages that conform to WCAG 2.2 also conform to WCAG 2.1, which would also conform to WCAG 2.0. Authors that are required by policy to conform with WCAG 2.0 or 2.1 will be able to update content to WCAG 2.2 without losing conformance with previous versions. 
En la versión actual de 2.2 solo hay un criterio nuevo, 2.4.11 Focus Visible (Enhanced):
When a User Interface Component displays a visible keyboard focus, all of the following are true:
  • Minimum area: The focus indication area is greater than or equal to the longest side of the bounding rectangle of the focused control, times 2 CSS pixels.
  • Focus contrast: Color changes used to indicate focus have at least a 3:1 contrast ratio with the colors changed from the unfocused control.
  • Contrast or thickness: The focus indication area has a 3:1 contrast ratio against all adjacent colors for the minimum area or greater, or has a thickness of at least 2 CSS pixels.


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