Ollama tagged v0.40.4-rc1 on October 13, a release candidate that adds Kev decision scoring to its MLX backend. The change, merged as pull request 18976, loads Kev models with their FP32 decision head and their release metadata, and supports System One scoring with shared-state caching and limits specific to Kev models.
What changes for MLX users
The MLX backend, which runs Ollama on Apple Silicon, can now load Kev models together with their decision head, kept in FP32 precision, and their release metadata. Scoring in System One mode reuses shared state through a cache, and Kev models run under limits of their own.
Release status
The tag is a release candidate, not a stable release, so its behavior can still change before the final version. Teams that want Kev decision scoring on MLX should test the candidate before relying on it in production.
Sources & references
Ollama: v0.40.4-rc1: Add Kev decision scoring to MLX (#18976) ↗Source consulted: 2026-10-14



