Scheduled - On 30-07-2021 starting with 02:00 EDT for 2 hours, we'll be performing an upgrade to Kubernetes Clusters in US region. During this time, the WordPress Admin can become inaccessible for brief periods of time while we apply patches and work on your backend. The public sites will not be affected and they will work normally for not logged-in users. For any inquiries during this time don't hesitate to contact us at support@presslabs.com.
Jul 28, 17:54 EEST

Scheduled - On 27-07-2021 starting with 07:00 EEST ( 21:00 PDT/PST ) for 4 hours, we'll be updating WordPress to the latest version 5.8 on all production instances. During this time, the wp-admin can become inaccessible for a few minutes while the new version is applied. The public sites will not be affected and they will work normally. For any inquiries during this time don't hesitate to contact us at support@presslabs.com.

We recommend you to test this new version on your development instance, as they have already been upgraded to the latest WP version. If you find any problems before the maintenance, please drop us an email at support@presslabs.com containing the Subject: "WP 5.8 upgrade problems"

More details about the new version can be found at: https://wordpress.org/news/2021/07/tatum/
Jul 26, 10:08 EEST