Abtest::request_variation() – Perform the request for a variation of a provided A/B test from WP.com.
Blocks::is_gutenberg_version_available() – Check to see if a minimum version of Gutenberg is available. Because a Gutenberg version is not available in php if the Gutenberg plugin is not installed, if we know which minimum WP release has the required version we can optionally fall back to that.
Client::validate_args_for_wpcom_json_api_request() – Validate and build arguments for a WordPress.com REST API request.
Error_Handler::verify_xml_rpc_error() – Handles verification that a xml rpc error is legit and came from WordPres.com
get_css_vars() – It generates a string with CSS variables according to the block colors, prefixing each one with `–jetpack-podcast-player’.
Helper_Script_Manager::verify_file_header() – Checks that a file exists, is readable, and has the expected header.
Jetpack_Calypsoify::filter_views() – Remove the parentheses from list table view counts when Calypsofied.
Jetpack_Carousel::asset_version() – Allow third-party plugins or themes to enable Carousel for single images linking to ‘Media File’ (full size image).
jetpack_flickr_video_to_shortcode() – Transforms embed to shortcode on save when the video param is used.
Jetpack_Gallery_Widget::allowed_values() – Return a multi-dimensional array of allowed values (and their labels) for all widget form elements
jetpack_get_future_removed_version() – Get the major version number of Jetpack 6 months after provided version.
Jetpack_Gutenberg::blocks_variation() – Determine whether a site should use the default set of blocks, or a custom set.
Jetpack_Gutenberg::get_asset_version() – Get the version number to use when loading the file. Allows us to bypass cache when developing.
Jetpack_Gutenberg::is_gutenberg_version_available() – Check to see if a minimum version of Gutenberg is available. Because a Gutenberg version is not available in php if the Gutenberg plugin is not installed, if we know which minimum WP release has the required version we can optionally fall back to that.
Jetpack_JSON_API_Endpoint::validate_call() – Switches to the blog and checks current user capabilities.
Jetpack_Likes::is_likes_visible() – Stub for is_likes_visible, since some themes were calling it directly from this class
