If you are getting a fatal error after updating Jetpack, this post can help you.
A simple plugin to enable random order of the posts list on WordPress REST API
Read more about the new functions, filters, and settings for the WordPress Recovery Mode included in WP 5.2.
Read how to translate your theme options in Customizer with Polylang and WPML through the wpml-config.xml file
My first post in English \o/