jetpack_subscription_widget_is_subscribed

    hook (filter): Filter if the current user is subscribed to the blog.

    Source: modules/subscriptions/views.php:407

    jetpack_subscriptions_management_url

    hook (filter): Filter the url for folks to manage their subscriptions.

    Source: modules/subscriptions/views.php:219

    jetpack_subscription_widget_total_subscribers

    hook (filter): Filter the total amount of subscribers

    Source: modules/subscriptions/views.php:493

    jetpack_blocks_directory

    hook (filter): Filter to select Gutenberg blocks directory

    Source: class.jetpack-gutenberg.php:276