As pointed out in the comments it’s currently not possible to use the navigation block in a widget. I missed the section in the GitHub issue where they explain more detailed that simply enabling the block wouldn’t solve the problem.
Why doesn’t my star rating widget work?
The first parameter to wp_enqueue_script()—in this case, dashboard—is the handle of the script. The handle can be pre-registered using wp_register_script(), and that’s where the script’s path will be set. dashboard isn’t one of the default scripts that WordPress registers, but it’s entirely possible some other entity has registered it. Looking at the example code that … Read more
Add page post type to your code (tested): add_filter( ‘dashboard_recent_posts_query_args’, function(array $queryArgs) { $postTypes = get_post_types([ ‘public’ => true, ‘capability_type’ => ‘post’, ]); $postTypes[] = ‘page’; if ( is_array( $postTypes ) ) { $queryArgs[‘post_type’] = $postTypes; } return $queryArgs; }, 15 ); The reason your original code did not include pages is because pages have … Read more
You could load the dashboard widget into its own document in an iframe if the problem is bootstrap css messing up other parts of the page. This answer has example code for the iframe widget part of it: Embed iframe or html page into dashboard widget You just have to pass the iframe a url … Read more
Theme Widget Area Defaults
Can’t edit the widgets sidebar or footer
Add custom settings to widget areas
Here’s why did you get an undefined The function itself was defined, but the function call (wp.blocks.getBlockVariations( ‘core/embed’ )) returned an undefined because by the time that you called the function, the block/Gutenberg editor had not yet been initialized. Hence, undefined was returned instead of an array of block variations, because core block types like … Read more
As of 6.1.1, I have discovered you can achieve this by disabling the option to open each social link in a new tab. Imagine this will change in a future WP update.