Resolved -
WordPress.org has released WordPress version 5.0.1. This release is classified as a security release for all previous versions of WordPress.[1] Pantheon has made the update available for one-click update in site dashboards. We urge all users to update all environments as soon as possible. Instructions for applying core updates can be found in our Support Center.[2] See release notes for more information on the resolved issues in this release; all users are urged to upgrade their sites as soon as possible.