Data and AI releases

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arize-phoenix: v19.14.0

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19.14.0 (2026-08-03) Features evals: add hallucination evaluator (1aa1a84) Bug Fixes traces: render ReasoningPart in gen_ai message flattening (05d5999), closes #14962

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Also shipped Aug 3, 2026Arize AI in August 2026 →

Organization Hub (General availability)

The Insights page under Organization Hub presents interactive tiles that show trends, alerts, and summary data for your entire organization. The feature is now generally available to customers who have ORGANIZATION_USAGE premium views enabled, and is no longer in Preview .

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arize-phoenix: v19.15.0

19.15.0 (2026-08-03) Features project: defer annotation metric chart loading (8e81af0) project: fetch annotation metric charts independently (8c49a9d)

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arize-phoenix: v19.17.0

19.17.0 (2026-08-04) Features ui: AI Query for filter fields (920d062) Bug Fixes cli: make px setup's trace verdict the run's result (253cfcf), closes #14876 move span and trace link formatting into the PXI system prompt (8a749ba)

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arize-phoenix: v19.16.0

19.16.0 (2026-08-04) Features server: OpenAI-compatible v1/chat/completions proxy with server-side credentials (6ab57db) ui: preview card contents while collapsed (98b82ba) Bug Fixes render exception stack traces in events (5ca716e) ui: carry the time range forward from the project list into project details (d9421a4) Performance Improvements ui: parallelize...

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arize-phoenix: v19.18.0

19.18.0 (2026-08-05) Features add REST endpoint for prompt metadata updates (244ef9c) sessions: expression filter DSL (64f505b) Bug Fixes cost-tracking: sync LiteLLM above_NNNk_tokens tier rates as threshold_based customizations (e80d01a) ui: size time-range control buttons explicitly so Safari renders them uniformly (1169f00)

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arize-phoenix: v19.13.0

19.13.0 (2026-08-01) Features app: include span and trace annotations in span exports (f9fa685) experiments: lift metric chart selection limit (6f647cb)

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arize-phoenix: v19.12.0

19.12.0 (2026-07-31) Features evals: harbor poc (24ff59b) Bug Fixes dsl: one NUL message on every Python (1717c4c) Documentation Add Phoenix release notes , 2026-07-29 (ae690e1)

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arize-phoenix: v19.19.0

19.19.0 (2026-08-06) Features ui: collapse all but the last message in LLM spans (11f418f) Bug Fixes db: replace sqlean.py with arize-phoenix-sqlean (0fc6f0a) Documentation remove Arize AX from tutorial and get-started flows (e75fec0) update API reference to include chat completions (3af38bd)

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