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Code scanning default setup automatically updates when the languages in the repository change

Code scanning default setup now automatically updates when the languages in a repository change.

If a repository that uses default setup changes to include the languages JavaScript/TypeScript, Ruby, Python, or Go, the configuration will automatically update to include these languages. If the new configuration fails, we’ll resume the previous configuration automatically so that the repository does not lose coverage. The configuration will also automatically update if a repository removes a language.

You can always view the repository’s default setup configuration from the Code security and analysis settings page. Additionally, you can use the tool status page to view useful information about your setup and debug any failed languages.

Default set up makes it easy to get started with code scanning. The supported languages are currently JavaScript/TypeScript, Python, Ruby and Go and the list is constantly evolving. For more information on code scanning default setup, see Configuring code scanning automatically.

Organization-level code scanning default setup for CodeQL is now generally available

Today we are announcing the general availability of code scanning default setup enablement at the organization level.

Code scanning enable all default setup button on the organization's 'Settings' page

You can use code scanning default setup to enable CodeQL analysis for pull requests and pushes on eligible repositories without committing any workflow files. Currently, this feature is only available for repositories that use GitHub Actions and it supports analysis of JavaScript/TypeScript, Python, Ruby and Go. We plan to add support for additional languages soon.

This feature is also available as a public beta in GitHub Enterprise Server 3.9 and will be generally available in GitHub Enterprise Server 3.10.

Learn more about configuring code scanning at scale using CodeQL and the "Enable or disable a security feature for an organization" REST API
Learn more about GitHub Advanced Security

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Use GitHub code search to support security research with multi-repository variant analysis for CodeQL (beta)

The latest release of CodeQL for VS Code includes new functionality for creating lists of target repositories for multi-repository variant analysis with GitHub code search.

Multi-repository variant analysis (MRVA) allows security researchers to run CodeQL analyses against large numbers of repos straight from the CodeQL extension for VS Code, making it possible to identify new types of security vulnerabilities in the most popular open-source codebases. Curated lists of up to 1,000 widely-used public GitHub repositories are included with MRVA to help you get started quickly – you can even trigger an MRVA run against up to 1,000 repositories in a single GitHub organization.

However, if you’d prefer to target different repositories, you can also create your own custom lists. To help make it easier to identify the most relevant repositories to include in your custom lists we have just released a new integration with the GitHub search API in the CodeQL extension. With this new feature, you can restrict the repositories appearing in your custom lists by the contents of source files, file paths, file location, or any other supported search qualifier.

For more information about how to use GitHub code search with MRVA, see Using GitHub code search to add repositories to a custom list in the CodeQL for VS Code documentation.

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