arize-phoenix: v19.21.0

19.21.0 (2026-08-10)

Features

• api: add REST endpoints for setting tags on experiments (#15237) (c892873)
• sessions: AI query for the session filter (#15090) (6e3e7cf)

Bug Fixes

• deps: cap vercel below 0.8 (#15278) (7b1860a)
• deps: update arize-phoenix-evals to 3.4.0 (#15232) (e270d20)
• mcp: contain malformed Monty error payloads (#15244) (d88ca00)
• trace: cast the object-typed parameters fixture to satisfy tsc (1f7cc4b)
• trace: coerce object json_schema in getLLMAttributes toolSchemas (f7e2515)
• trace: stringify tool attributes rebuilt as objects (#14984) (4b4dad5)
• ui: debounce responsive chart resizing (#15257) (2c5c49d)