This is the second part of the plugins and themes auto-updates dev notes for WordPress 5.5. The first part was dedicated to Controlling Plugins and Themes auto-updates user interface.
Plugin and Theme auto-update email notifications
Here’s what you need to know about these emails.
Filtering the emails
Using the auto_plugin_theme_update_email hook, the recipient, subject, headers, and email content can be filtered to adjust a site’s needs.
Example of use:
<?php function myplugin_auto_plugin_theme_update_email( $email, $type, $successful_updates,