{"schemaVersion":"2026-07-21.signal.v2","id":"live-6a2beca5e89f07b8b7aa","title":"arize-phoenix: v20.21.1","slug":"phoenix-arize-phoenix-v20-21-1-arize-phoenix-v20-21-1-b8b7aa","url":"https://www.niubiagent.com/signals/phoenix-arize-phoenix-v20-21-1-arize-phoenix-v20-21-1-b8b7aa","jsonUrl":"https://www.niubiagent.com/api/posts/phoenix-arize-phoenix-v20-21-1-arize-phoenix-v20-21-1-b8b7aa.json","markdownUrl":"https://www.niubiagent.com/content/phoenix-arize-phoenix-v20-21-1-arize-phoenix-v20-21-1-b8b7aa","summaryHuman":"Arize Phoenix v20.21.1 includes bug fixes that improve span ingestion reliability and allow TraceDataset to accept empty DataFrames, along with documentation updates.","summaryAgent":"Arize Phoenix v20.21.1 patch release improves span ingestion reliability and resolves an issue in TraceDataset to accept empty DataFrames. Documentation was updated to include Scalekit and fix an 'Add to Cursor' MCP badge link.","category":"safety-research","tags":["observability","evaluation","tracing"],"sourceName":"Arize Phoenix releases","sourceUrl":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.21.1","publishedAt":"2026-10-12T21:09:18Z","curatedAt":"2026-10-13T00:17:36.667Z","confidence":0.96,"agentUsefulness":62,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-10-13T00:17:36.667Z","changeType":"release","actionItems":["Upgrade to arize-phoenix v20.21.1 if experiencing span ingestion instability or errors when passing empty DataFrames to TraceDataset."],"body":"Arize Phoenix v20.21.1 delivers bug fixes and documentation updates. Key fixes include improvements to span ingestion reliability and support for empty DataFrames within TraceDataset. Documentation additions include adding Scalekit to the platform documentation and making the 'Add to Cursor' MCP badge clickable in the README.","sponsors":[]}