changelog/10.9.0_2021-12-20/38697
Change: Drop PHP 7.2 support across the platform
Support for security fixes for PHP 7.2 ended in Dec 2020
ownCloud core no longer supports PHP 7.2.
Ensure that you are using PHP 7.3 or 7.4. PHP 7.4 is recommended.
https://github.com/owncloud/core/issues/39134
https://github.com/owncloud/core/pull/38697
https://www.php.net/supported-versions.php