WordPress now has a separate support forum for your accessibility-related questions.

Web accessibility refers to the inclusive practice of removing barriers that prevent interaction with, or access to websites, by people with disabilities. When sites are correctly designed, developed and edited, all users have equal access to information and functionality.

WordPress Accessibility (a11y) Forum

You will find a11y being used as an acronym for accessibility since there are 11 alphabets between `a` and `y` of the word `accessibility`. The purpose of the forum is to answer both end user & developer questions related to WordPress & accessibility.

Browse WordPress Accessibility Forum

WordPress Accessibility (a11y) Resources

I have collected a few WordPress Accessibility (a11y) related resources which you might want to read.