facebook GitHub Pull Requests Analytics

In January 2026, Facebook's GitHub organization demonstrated an intriguing trend: a high volume of pull requests (PRs) paired with a rising average time to merge, signaling potential areas for improvement in collaboration dynamics. The React Native repository led with an impressive 213 PRs, showcasing the organization's commitment to development velocity tracking. Despite this volume, the average time to merge PRs reached 14.46 hours, indicating possible bottlenecks in the review process.

The analytics reveal a robust culture of engagement, with an average of 0.15 pull requests per developer per day and 0.23 reviews per developer per day. This translates to a total of 152 reviews and 167 conversations, fostering a dynamic environment for iterative feedback. The lines of code per PR averaged at 524.91, suggesting substantial contributions, yet highlighting the need for more efficient review practices to maintain development velocity.

Additionally, the Pyrefly repository exhibited 76 PRs with an average of 1.1 reviews per PR, underscoring effective review mechanisms that enhance code quality. The 95 comments across all projects reflect active developer contribution trends, emphasizing a community-driven approach to development.

In conclusion, while Facebook's GitHub organization shows strong repository analytics and collaboration patterns, optimizing merge times could further enhance its development processes, ensuring sustained momentum and engagement.