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ray

Model Serving & MLOps

A unified framework for scaling AI and Python applications from a laptop to a cluster

Python Latest ray-2.56.1 · 9d ago Security brief →

Features

  • Unified runtime for distributed execution of Python code
  • AI‑focused libraries: Data, Train, Tune, RLlib, Serve
  • Core abstractions – Tasks (stateless functions), Actors (stateful workers), Objects (immutable values)
  • Built‑in monitoring via Ray Dashboard and a Distributed Debugger

Security Response History

1 CVE
CVE Severity Disclosed Patched (this tool) vs Ecosystem Median
CVE-2023-4863 KEV high
CVSS 8.8
2023-09-13 2026-02-18 2y 5mo / median 2y 4mo

Recent releases

View all 6 releases →
No immediate action
ray-2.56.1 Breaking risk

Data fixes, memory monitoring, LLM routing

No immediate action
ray-2.56.0 Security relevant

Routine maintenance and dependency updates.

patches CVE-2023-4863
Open
ray-2.55.1 Bug fix

Minor fixes and improvements.

Full changelog
  • Fixes SSH connectivity issue in the ray-llm image (#62625 / #62718).
  • Upgrade apt packages in slim base (#62666 / #62717).
ray-2.55.0 Breaking risk
Breaking changes
  • local_mode support removed
  • Legacy BlockList, locality_with_output, and callback API removed
  • PyArrow 9.0 compatibility checks removed
Security fixes
  • jackson-databind upgraded from 2.16.1 to 2.18.6 (GHSA-72hv-8253-57qq)
Notable features
  • DataSourceV2 API with scanner/reader framework and file partitioning
  • Kafka datasink with confluent-kafka migration and datetime offset support
  • 2-phase commit checkpointing with trie recovery
ray-2.54.1 Bug fix

Hanging issue detector disabled to resolve pipeline performance degradation from blocking API calls.

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Install & Platforms

Install via
pip

Community & Support

Beta — feedback welcome: [email protected]