This release includes Silverstripe CMS Recipe version 4.8.0.
The bringyourownideas/silverstripe-composer-security-checker will no longuer ship with CWP. While it's unusual for a module to be removed from CWP, bringyourownideas/silverstripe-composer-security-checker has been rendered useless by the end-of-life of SensioLabs Security Check Web service
Read our Supporting you in dependency vulnerability checks blog post for alternatives approaches.