Cloud Platform is enhanced to close port 22 in the balancer layer for public internet. For more information on closing port 22 at the web layer, see Controlling access with Shield.
CHANGE
PC-20193
Cloud Platform is enhanced to remove support for the deprecated Drush aliases, remote-host and remote-user , in favour of user and host respectively. You do not need to redownload these aliases unless you face issues with the current versions.
Cloud Platform - June 2, 2024 | Acquia Product Documentation
Cloud Platform