A11y WCAG version

[ElenaShevchenko]

Summary

Hello, which WCAG version 2.0 or 2.1 or 2.2 Axe is running inside @storybook/addon-a11y

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[valentinpalkovic]

@storybook/a11y has axe-core defined with the version 4.2.0. When you install it freshly or clear your lock file, it will install the latest version of axe-core. Following the documentation of axe-core shows that WCAG versions 2.0, 2.1, and 2.2 are supported.

You can follow the documentation here to set axe options on a story or global level. It is documented here for example how to only run WCAG 2.0 level rules