“In this case the embed either must be supported or be represented as <iframe>, so IV won't be generated but will be able to display it out of the box in a future.
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“In this case the embed either must be supported or be represented as <iframe>, so IV won't be generated but will be able to display it out of the box in a future.
IV can't be generated without essential content.”
See: https://instantview.telegram.org/contest/unian.ua/template107/issue2/