![](https://github.blog/wp-content/uploads/2021/12/engineering-open-source-banner-1.png?resize=800%2C425)
Introducing stack graphs
Precise code navigation is powered by stack graphs, a new open source framework that lets you define the name binding rules for a programming language.
![](https://github.blog/wp-content/uploads/2021/12/engineering-open-source-banner-1.png?resize=800%2C425)
Precise code navigation is powered by stack graphs, a new open source framework that lets you define the name binding rules for a programming language.
Code navigation is now available in PRs, and code navigation results for Python are now more precise.