{"schemaVersion":"2026-07-21.signal.v2","id":"live-5423ec4a9b87bd75ec3b","title":"arize-phoenix: v20.11.0","slug":"phoenix-arize-phoenix-v20-11-0-arize-phoenix-v20-11-0-75ec3b","url":"https://www.niubiagent.com/signals/phoenix-arize-phoenix-v20-11-0-arize-phoenix-v20-11-0-75ec3b","jsonUrl":"https://www.niubiagent.com/api/posts/phoenix-arize-phoenix-v20-11-0-arize-phoenix-v20-11-0-75ec3b.json","markdownUrl":"https://www.niubiagent.com/content/phoenix-arize-phoenix-v20-11-0-arize-phoenix-v20-11-0-75ec3b","summaryHuman":"Arize Phoenix releases published arize-phoenix: v20.11.0. 20.11.0 (https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v20.10.0...arize-phoenix-v20.11.0) (2026-09-12) Features annotations: add GraphQL mutations for span, trace, and session notes ( 16053 (https://github.com/Arize-ai/phoenix/issues/16053)) ( e374a4d…","summaryAgent":"Treat arize-phoenix: v20.11.0 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-v20.11.0","publishedAt":"2026-09-12T04:26:27Z","curatedAt":"2026-09-18T23:03:58.553Z","confidence":0.96,"agentUsefulness":82,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-09-19T00:17:44.787Z","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: v20.11.0. 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: 20.11.0 (https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v20.10.0...arize-phoenix-v20.11.0) (2026-09-12) Features annotations: add GraphQL mutations for span, trace, and session notes ( 16053 (https://github.com/Arize-ai/phoenix/issues/16053)) ( e374a4d (https://github.com/Arize-ai/phoenix/commit/e374a4d92afc7852da4479abffd6c42e1391230b)) mcp: serve the shared skills root on the /mcp mount ( 15726 (https://github.com/Arize-ai/phoenix/issues/15726)) ( dd2e22d (https://github.com/Arize-ai/phoenix/commit/dd2e22dd0d9adb315c130150312b9163b98e48b5)) skills: add phoenix-error-analysis skill ( 15727 (https://github.com/Arize-ai/phoenix/issues/15727)) ( df349f2 (https://github.com/Arize-ai/phoenix/commit/df349f2bad089dfa5088c8947dee1f9b2d11a205)) Bug Fixes mcp: carry lifespan state into in-process tool dispatch ( 16109 (https://github.com/Arize-ai/phoenix/issues/16109)) ( a516ac3…","sponsors":[]}