2.1.10 [CSS3Fonts:2018] Section 6.8. East Asian text rendering: the font-variant-east-asian property

V0010: The font-variant-east-asian property is not supported

The specification states:

 6.8. East Asian text rendering: the font-variant-east-asian property
  
         Name:               font-variant-east-Asian
         ...
  
     Allows control of glyph substitution and sizing in East Asian text.

EdgeHTML Mode

The font-variant-east-asian property is not supported.