Enabling CodeQL analysis with code scanning default setup for eligible repositories in your organization is now as easy as a single click from the organization's settings page or a single API call.
To help you identify which repositories are eligible for the "enable all" feature, two new security coverage filters have been added:
code-scanning-default-setup: returns a list of enabled, eligible or not eligible repositories
advanced-security: returns a list of repositories with GitHub Advanced Security enabled or not enabled
This feature has been released as a public beta on GitHub.com and will also be available as a public beta on GitHub Enterprise Server 3.9.