{"schemaVersion":"2026-07-21.signal.v2","id":"live-8f2a746b46d20c9e24ab","title":"arize-phoenix-evals: v3.9.0","slug":"phoenix-arize-phoenix-evals-v3-9-0-arize-phoenix-evals-v3-9-0-9e24ab","url":"https://www.niubiagent.com/signals/phoenix-arize-phoenix-evals-v3-9-0-arize-phoenix-evals-v3-9-0-9e24ab","jsonUrl":"https://www.niubiagent.com/api/posts/phoenix-arize-phoenix-evals-v3-9-0-arize-phoenix-evals-v3-9-0-9e24ab.json","markdownUrl":"https://www.niubiagent.com/content/phoenix-arize-phoenix-evals-v3-9-0-arize-phoenix-evals-v3-9-0-9e24ab","summaryHuman":"Arize Phoenix releases published arize-phoenix-evals: v3.9.0. 3.9.0 (2026-09-21) Features evals: add retrieval relevance evaluator ( 14766 ) ( 7efa7b2 ) evals: add session-level pii detection evaluator ( 15096 ) ( 0e3b2c2 ) evals: completeness evaluator ( 15767 ) ( 63805d0 ) evals: deprecate document relevance evaluators ( 15991 ) ( d67ea3f ) Bug Fixes…","summaryAgent":"Treat arize-phoenix-evals: v3.9.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.","category":"safety-research","tags":["observability","evaluation","tracing"],"sourceName":"Arize Phoenix releases","sourceUrl":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-evals-v3.9.0","publishedAt":"2026-09-21T20:47:00Z","curatedAt":"2026-09-22T00:17:42.382Z","confidence":0.96,"agentUsefulness":82,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-09-22T00:17:42.382Z","changeType":"release","actionItems":["Review the official Arize Phoenix releases release notes before upgrading.","Check compatibility, migration, and security notes against your current agent stack.","Run focused regression tests before production rollout."],"body":"Arize Phoenix releases published arize-phoenix-evals: v3.9.0. This release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: 3.9.0 (2026-09-21) Features evals: add retrieval relevance evaluator ( 14766 ) ( 7efa7b2 ) evals: add session-level pii detection evaluator ( 15096 ) ( 0e3b2c2 ) evals: completeness evaluator ( 15767 ) ( 63805d0 ) evals: deprecate document relevance evaluators ( 15991 ) ( d67ea3f ) Bug Fixes evals: accept role aliases in PromptTemplate message lists ( 16002 ) ( 767847c ) evals: use non-blocking sleep in async rate limiter ( 15404 ) ( 2ecfd47 ) evals: validate initial request rate ( 16227 ) ( b8e5cf8 ) upgrade to anthropic SDK v1 ( 15588 ) ( b28cf94 )","sponsors":[]}