{"schemaVersion":"2026-07-21.signal.v2","id":"live-7a5dd87c1564d4843bbb","title":"arize-phoenix: v20.19.0","slug":"phoenix-arize-phoenix-v20-19-0-arize-phoenix-v20-19-0-843bbb","url":"https://www.niubiagent.com/signals/phoenix-arize-phoenix-v20-19-0-arize-phoenix-v20-19-0-843bbb","jsonUrl":"https://www.niubiagent.com/api/posts/phoenix-arize-phoenix-v20-19-0-arize-phoenix-v20-19-0-843bbb.json","markdownUrl":"https://www.niubiagent.com/content/phoenix-arize-phoenix-v20-19-0-arize-phoenix-v20-19-0-843bbb","summaryHuman":"Arize Phoenix v20.19.0 introduces a new DECISION span kind for platform tracing and routes recorded applications to separate projects in datagen.","summaryAgent":"Arize Phoenix v20.19.0 adds the DECISION span kind across the tracing platform, routes recorded applications to individual projects in datagen , fixes external resource flag handling for WASM and UI, and removes legacy evaluation cookbooks.","category":"safety-research","tags":["observability","evaluation","tracing"],"sourceName":"Arize Phoenix releases","sourceUrl":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.19.0","publishedAt":"2026-10-01T22:59:10Z","curatedAt":"2026-10-02T00:17:49.250Z","confidence":0.96,"agentUsefulness":72,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-10-02T00:17:49.250Z","changeType":"release","actionItems":["Upgrade arize-phoenix to v20.19.0 to utilize the new DECISION span kind in tracing.","Verify project routing behavior if using datagen to record applications.","Review internal references to deprecated evaluation cookbooks."],"body":"Arize Phoenix version 20.19.0 has been released with the following updates: - Tracing: Introduced the DECISION span kind across the platform. - Datagen: Updated recorded applications to send each to its own project. - Bug Fixes: Ensured the external resources flag is properly honored for WASM and UI. - Documentation: Removed legacy evaluation cookbooks.","sponsors":[]}