19.5.0 (2026-07-23)
Features
- add evaluation metrics aggregation APIs (#14445) (ad41a4d)
- agents: online trace evals with tool_count_per_turn and user_friction (#14503) (bdff4b5)
- api: expose dataset example source span (#13814) (e0cf022)
- evals: add toxicity gallery template with input/output-agnostic benchmark (#14636) (1082155)
- playground: add Gemini 3.6 Flash and 3.5 Flash-lite support (#14658) (60997e8)
- ui: add semantic PXI tool icons (#14688) (3aa3527)
Bug Fixes
- cost: update built-in model token prices (#14616) (d45705b)
- deps: declare FastMCP client extra (#14663) (11a587d)
- deps: update arize-phoenix-evals to 3.2.0 (#14596) (efd5005)
- focus ring token consistency (#14625) (c32d955)
- pxi: report current context token usage (#14670) (208f02f)
- ui: close time range selector on focus exit (#14631) (bf502e7)
- ui: commit column reorder during drag so headers stay in sync with body (#14651) (92bce42), closes #14609
- ui: preserve line breaks in user chat messages (#14660) (a990381)