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LangChain4j CDI 1.4.0 Released

LangChain4j CDI 1.4.0 is available. This release brings thinking capture for AI services, improvements to GenAI telemetry semantics, a full migration to MCP Java 1.x, and a module-system fix for build-time extensions. What's New Thinking Capture for AI Services AI service methods can now capture the model's internal reasoning — the "thinking" tokens emitted by reasoning models like Claude. This is exposed via a new listener/guardrail...

2026, Aug 17   —  3 minute(s) read