![](https://github.blog/wp-content/uploads/2021/12/github-security_orange-banner.png?resize=800%2C425)
Improvements to CodeQL’s data flow library for C++
These changes will improve the experience for custom query authors and enable better precision in some of our standard queries. Learn how to enable them for your custom queries.
![](https://github.blog/wp-content/uploads/2021/12/github-security_orange-banner.png?resize=800%2C425)
These changes will improve the experience for custom query authors and enable better precision in some of our standard queries. Learn how to enable them for your custom queries.