Open Graph og:image:alt not being output

Hello Yoasties 🙂

Using Yoast outputs og:image but not og:image:alt, so there’s no alternative text when sharing on social media although it’s set in WordPress. Is this being planned in the near future? Can’t find it here either:
https://developer.yoast.com/features/opengraph/functional-specification/

Thank you for your help!

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