{"schemaVersion":"2026-07-21.signal.v2","id":"live-0d144130125e45bfb52d","title":"arize-phoenix-evals: v3.9.4","slug":"phoenix-arize-phoenix-evals-v3-9-4-arize-phoenix-evals-v3-9-4-bfb52d","url":"https://www.niubiagent.com/signals/phoenix-arize-phoenix-evals-v3-9-4-arize-phoenix-evals-v3-9-4-bfb52d","jsonUrl":"https://www.niubiagent.com/api/posts/phoenix-arize-phoenix-evals-v3-9-4-arize-phoenix-evals-v3-9-4-bfb52d.json","markdownUrl":"https://www.niubiagent.com/content/phoenix-arize-phoenix-evals-v3-9-4-arize-phoenix-evals-v3-9-4-bfb52d","summaryHuman":"Arize Phoenix released arize-phoenix-evals v3.9.4 with bug fixes for PromptTemplate copying and client kwargs overriding.","summaryAgent":"Arize Phoenix released arize-phoenix-evals v3.9.4, fixing template format overrides when copying PromptTemplate instances and allowing sync/async client kwargs to override shared LLM kwargs.","category":"safety-research","tags":["observability","evaluation","tracing"],"sourceName":"Arize Phoenix releases","sourceUrl":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-evals-v3.9.4","publishedAt":"2026-10-24T14:23:10Z","curatedAt":"2026-10-24T18:17:53.350Z","confidence":0.96,"agentUsefulness":57,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-10-24T18:17:53.350Z","changeType":"release","actionItems":["Upgrade arize-phoenix-evals to v3.9.4 if you need sync/async client kwargs to override shared LLM kwargs or require template format overrides during PromptTemplate copying."],"body":"arize-phoenix-evals version 3.9.4 introduces two bug fixes in the evals component: ensuring template format overrides are applied properly when copying a PromptTemplate (issue 17071), and enabling sync/async client kwargs to override shared LLM kwargs (issue 17043).","sponsors":[]}