Langfuse v4.39.0 发布：AI Gateway 追踪与鉴权增强

AI 摘要

Langfuse 发布 v4.39.0 版本，主要新增 AI Gateway 阶段跨度追踪、Codex 客户端元数据记录、按标签过滤提示事件、基于策略核心的摄取事件鉴权、Vertex AI 支持等特性，并修复了 AI Gateway 流关闭时保留补全内容、生成元数据命名空间整理等问题。该版本还包含大量 Web 界面与设计系统重构、追踪批处理遥测改进以及文档更新。

正文节选

## What's Changed ### Features * feat(web): publish event-loop delay for autoscaling by @sumerman in https://github.com/langfuse/langfuse/pull/17632 * feat(automations): filter prompt events by label by @tobi12345 in https://github.com/langfuse/langfuse/pull/17612 * feat(ai-gateway): add phase spans so request traces have no gaps by @hassiebp in https://github.com/langfuse/langfuse/pull/17640 * feat(ai-gateway): record Codex client metadata as agent metadata by @hassiebp in https://github

发布时间：2026-09-21 19:21

抓取时间：2026-09-21 19:46

来源机构：Langfuse