Why doesn't GlyphsApp output HDMX and VDMX tables?

[davelab6]

I am curious, why does GlyphsApp not write the HDMX and VDMX tables when it exports OpenType fonts?

• https://docs.microsoft.com/en-us/typography/opentype/spec/vdmx
• https://docs.microsoft.com/en-us/typography/opentype/spec/hdmx

[GeorgSeifert]

Not yet. It is on my list but not very high, I have to admit.

[jkutilek (Jens Kutilek)]

I think they are pretty much deprecated, no?