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Explore the major advancements made to Ray over the past year in this 29-minute conference talk from Ray Summit 2025, where Ed Oakes and Jiajun Yao from Anyscale detail performance, resiliency, and observability enhancements for large-scale distributed applications. Discover key improvements across the Ray Core runtime, including Ray Direct Transport—a next-generation communication layer that dramatically optimizes data transfer between accelerators—and native resource isolation with cgroups that enables stronger workload separation and more predictable performance. Learn about enhanced resiliency features designed to handle network failures and keep long-running distributed jobs stable in real-world environments, plus significant observability upgrades that provide deeper insights into system behavior at cluster scale. Get an exclusive first look at the Ray Core 2026 roadmap, which outlines the next wave of features and architectural enhancements designed to support increasingly complex, performance-critical distributed workloads. Gain a clear understanding of how Ray is evolving to meet the demands of next-generation AI systems and what to expect from the platform in the coming year.
