Arize AX in September 2026: first-class sessions, Agent-as-a-Judge, and vision evals

Sessions are now a first-class unit of work in Arize AX. Annotate a whole conversation, queue it for review, and ask Alyx to filter for it — plus Agent-as-a-Judge on every plan, vision judges, faster datasets, and everything else that shipped between August 6 and September 18, 2026.