arize-phoenix: v20.11.0
Arize Phoenix releases published arize-phoenix: v20.11.0. 20.11.0 (2026-09-12) Features annotations: add GraphQL mutations for span, trace, and session notes ( 16053 ) ( e374a4d ) mcp: serve the shared skills root on the /mcp mount ( 15726 ) ( dd2e22d ) skills: add phoenix-error-analysis skill ( 15727 ) ( df349f2 ) Bug Fixes mcp: carry lifespan state into…
Why this signal matters
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 (2026-09-12) Features annotations: add GraphQL mutations for span, trace, and session notes ( 16053 ) ( e374a4d ) mcp: serve the shared skills root on the /mcp mount ( 15726 ) ( dd2e22d ) skills: add phoenix-error-analysis skill ( 15727 ) ( df349f2 ) Bug Fixes mcp: carry lifespan state into in-process tool dispatch ( 16109 ) ( a516ac3 ) Documentation restructure the Claude Code plugin docs as its own section ( 400d187 )
Actionable summary
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.
- Agent usefulness
- 82/100
- Confidence
- 96%
- Canonical data
- JSON + Markdown
What builders should check
- 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.