Registers theme support for a given feature.

Returns the current version of the block format that the content string is using.

Determine the current locale desired for the request.

Renders a “fake” meta box with an information message, shown on the block editor, when an incompatible meta box is found.

Parses dynamic blocks out of post_content and re-renders them.

Parses blocks out of a content string, and renders those appropriate for the excerpt.

Returns all the categories for block types that will be shown in the block editor.

Prepares server-registered blocks for the block editor.

Returns an array of the names of all registered dynamic block types.

Retrieves the oEmbed response data for a given URL.