facebook GitHub Pull Requests Analytics

In September 2025, the GitHub organization Facebook exhibited significant repository activity, showcasing a robust commitment to open-source development. During this period, the organization recorded a total of 235 pull requests (PRs) in the react-native repository, followed by 131 in react, and notable contributions across several other projects such as Ax and lexical.

The average PRs per developer per day stood at 0.17, while the average reviews per developer per day increased to 0.20, indicating a positive trend in engagement. However, the average time to merge a PR was 6.08 hours, reflecting a slight decline in efficiency compared to previous periods. The overall lines of code balance per PR was approximately 484.23, suggesting a moderate investment in code quality and complexity.

Contributor patterns revealed a diverse group of developers, with varying levels of activity and engagement. For instance, some developers like cbi42 contributed 7 PRs with significant review activity, while others had minimal contributions. This variance highlights the collaborative nature of the organization, emphasizing both seasoned contributors and newcomers alike.

Overall, Facebook's GitHub insights for September 2025 reveal a dynamic environment characterized by active PR dynamics, diverse contributor patterns, and ongoing engineering investment analysis. The organization continues to foster a culture of collaboration, ensuring sustained growth and innovation in its open-source initiatives.