RAFT (libraft-cu12)

libraft-cu12 is a core C++ library providing Reusable Algorithms Functions and other Tools (RAFT) for high-performance computing on NVIDIA GPUs. It serves as a foundational component for other RAPIDS libraries, including Python wrappers like `pylibraft`. The current version is 26.4.0, and it follows a monthly release cadence, aligned with the broader RAPIDS ecosystem.