kapynOpen Source

Open-Sourcing Rebalancer: A Generic, High-Performance Library for Solving Assignment Problems

Rebalancer is a high-performance library for solving assignment problems, now open‑sourced by Meta. It has powered Meta’s resource‑allocation workflows for nine years and cleanly separates problem specification, memory storage, solving, and debugging. The release invites the community to adopt and extend the tool for efficient, large‑scale assignment tasks.

Meta Engineering·Sep 21, 2026

Opening Kapyn…