Change The following software included in the Cloud Platform are now available for PHP 7.4: FreeType, jpeg / libjpeg, ssh2, webp, xpm / libxpm.
Change The option to select PHP 7.2 is no longer available in the environment configuration panel on the Cloud Platform user interface. The default PHP version is now 7.3.
Change Site Factory subscribers can now rename their Site Factory Applications on the Cloud Platform user interface. Note that this will not change the name of that Site Factory Application on the Site Factory user interface.
Change New Relic now supports PHP 7.4.
Cloud Platform - September 27, 2020 | Acquia Product Documentation
Cloud Platform