“Try Gutenberg” Callout in WordPress 4.9.8

WordPress 4.9.8 will contain the “Try Gutenberg” callout, encouraging site owners to install the Gutenberg plugin, to test how their existing content and plugins works with the blockBlock Block is the abstract term used to describe units of markup that, composed together, form the content or layout of a webpage using the WordPress editor. The idea combines concepts of what in the past may have achieved with shortcodes, custom HTML, and embed discovery into a single consistent API and user experience. editor. It also presents the option of installing the Classic Editor plugin, should they feel that they need more time to prepare for switching over to the block editor.

In WordPress 4.9.8, the callout will be shown to the following users:

• If Gutenberg is not installed or activated, the callout will be shown to Adminadmin (and super admin) users on single sites, and Super Admin users on multisites. (Based on the install_plugins capability.)
• If Gutenberg is installed and activated, the callout will be shown to Contributor users and above. (Based on the edit_posts capability.)
• If the Classic Editor pluginPlugin A plugin is a piece of software containing a group of functions that can be added to a WordPress website. They can extend functionality or add new features to your WordPress websites. WordPress plugins are written in the PHP programming language and integrate seamlessly with WordPress. These can be free in the WordPress.org Plugin Directory https://wordpress.org/plugins/ or can be cost-based plugin from a third-party is installed and activated, the callout will be hidden for all users.

Actions and Filters

The callout is attached to the try_gutenberg_panel action. If you would like to remove it on sites that you administer, you can do so with this snippet:

remove_action( 'try_gutenberg_panel', 'wp_try_gutenberg_panel' );

The “Learn more about Gutenberg” link currently directs to https://wordpress.org/gutenberg (or your localised version). However, particularly for hosts, you may have special instructions for your customers to install Gutenberg. In that case, the try_gutenberg_learn_more_link filterFilter Filters are one of the two types of Hooks https://codex.wordpress.org/Plugin_API/Hooks. They provide a way for functions to modify data of other functions. They are the counterpart to Actions. Unlike Actions, filters are meant to work in an isolated manner, and should never have side effects such as affecting global variables and output. allows you to change this link, like so:

function my_host_learn_more_link( $link ) {
    return '<a href="https://support.my.host/gutenberg">Learn more about Gutenberg at My Host</a>';
}

add_filter( 'try_gutenberg_learn_more_link', 'my_host_learn_more_link' ); 

#core-editor, #editor, #gutenberg