​The `customize_render_panel_{$this->id}` WordPress action allows developers to modify and customize specific sections of the WordPress Customizer, including changing titles, adding classes or JavaScript, and displaying notices

The customize_render_partials_before action is a powerful tool for developers to customize the Customizer Preview screen before partials are rendered.

​The `customize_controls_head` hook is a WordPress action that allows developers to modify the HTML output of the Customizer controls in the head section of the page

The 'custom_header_options' action in WordPress allows developers to modify header settings page. By adding a function to functions.php, custom options can be added or removed.

The 'attachment_submitbox_misc_actions' PHP action in WordPress allows for custom HTML on the attachment edit screen. Add a function to your theme or plugin file to utilize this feature.

​The `admin_email_confirm` WordPress action allows you to hook into the process of verifying an administrator's email address, providing the opportunity to display custom messages or log errors for further analysis

​The `after_signup_form` action in WordPress allows developers to execute custom code after the user has completed the sign-up process but before the footer is displayed

Learn how to use the WordPress `admin_footer-{$GLOBALS[‘hook_suffix']}` PHP action to add custom content to specific admin pages, including examples and parameters explanation.

​The `admin_footer-{$hook_suffix}` action in WordPress allows developers to add custom scripts or data after the default footer scripts on admin pages by using the `$hook_suffix` parameter