oEmbed Field The oEmbed field allows embedding external content from various providers like YouTube, Vimeo, and Twitter. It automatically handles the embedding process using WordPress's oEmbed functionality. Key Features Support for multiple providers Automatic embed handling Preview capability Width/height control WordPress oEmbed integration Settings Width - Maximum width of embedded content Height - Maximum height of embedded content Preview Size - Display size in admin Availability The live URL preview and search (which resolves a pasted URL into embed HTML on the fly) uses WordPress's registered oEmbed provider allowlist for anonymous visitors and users without the standard WordPress content-authoring capability ( edit_posts). Users with content-authoring capability can also use WordPress oEmbed discovery. Already-stored oEmbed values continue to render normally for all viewers regardless of login state.