WordPress 5.2 is slated for release on April 30, and we need your help to get there! Thanks to the testing and feedback from everyone who tried beta 1, nearly 100 tickets have been closed since then. Here are the major changes and bug fixes:
wp_body_open()template tag (and corresponding
wp_body_openaction) will let themes (and plugins!) add content right after the
<body>is opened (#12563).
For more details: https://wordpress.org/news/2019/04/wordpress-5-2-beta-2/