arize-phoenix: v12.29.0
12.29.0 (2026-01-12) Features Add connection timeout error handling (7821898) correctness evaluator (da13ad5) Display span event attributes in Phoenix UI (299ad56) upgrade react router (45c511e) Bug Fixes cost: update built-in model token prices (8ba35d2) deps: update arize-phoenix-client to 1.27.2 (73b6e7b) deps: update arize-phoenix-evals to 2.8.0...
Also shipped Jan 12, 2026Arize AI in January 2026 →
WAF Release - 2026-01-12
This week's release focuses on improvements to existing detections to enhance coverage. Key Findings Existing rule enhancements have been deployed to improve detection resilience against SQL Injection.
See your organization’s AI credits usage history
Admins on Organization and Enterprise plans can now view historical AI credit usage data to better plan for future costs.
Email security - Enhanced visibility for post-delivery actions
The Action Log now provides enriched data for post-delivery actions to improve troubleshooting. In addition to success confirmations, failed actions now display the targeted Destination folder and a specific failure reason within the Activity field. Note Error messages will vary depending on whether you are using Google Workspace or Microsoft 365.
Rules - Metro code field now available in Rules
The ip.src.metro_code field in the Ruleset Engine is now populated with DMA (Designated Market Area) data. You can use this field to build rules that target traffic based on geographic market areas, enabling more granular location-based policies for your applications.
Security Center - Cloudflare Threat Events now support STIX2 format
We are excited to announce that Cloudflare Threat Events now supports the STIX2 (Structured Threat Information Expression) format. This was a highly requested feature designed to streamline how security teams consume and act upon our threat intelligence.
Workers - Validate your generated types with `wrangler types --check`
Wrangler now supports a --check flag for the wrangler types command. This flag validates that your generated types are up to date without writing any changes to disk. This is useful in CI/CD pipelines where you want to ensure that developers have regenerated their types after making changes to their Wrangler configuration.
More from phoenixEvery phoenix release →
arize-phoenix: v12.30.0
12.30.0 (2026-01-15) Features Add AttributesJSONBlock component for enhanced JSON attribute display (0c2426b) add text block and json block icons for attribute string expansion (cb938e8) Bug Fixes preserve reasoning_effort and other invocation parameters (e1cf433) Preserve response format during model updates in playground store (8f50e27) Store correct...
arize-phoenix-evals: v2.8.0
2.8.0 (2026-01-08) Features correctness evaluator (da13ad5) Enable sync- and async- client kwargs for LLM constructor (1442074) evals: add built-in tool selection correctness metric (9e816c9) Bug Fixes prompts: remove newlines from built-in prompts (edf35f0)
arize-phoenix: v12.28.0
12.28.0 (2026-01-06) Features add support for JSONL dataset uploads (ed59696) evals: add built-in tool selection correctness metric (9e816c9) skeleton loader for paragraphs in the playground (bf8234d) Bug Fixes add consistent layout to experiment details (04dd48c) dialog close button placement (7c7136c) Disable codemirror search keymap (4e87be9)...
arize-phoenix: v12.31.0
12.31.0 (2026-01-21) Features add cursor rule for creating new built-in metrics (llm classification evaluators) (d329bea) add FaithfulnessEvaluator and deprecate HallucinationEvaluator (fc8b1b5) add span_id_key to link dataset examples to traces (01eb1fb) dataset and experiment cli commands (32343ff) phoenix cli (d69eb80) Bug Fixes cost: update built-in...
arize-phoenix-client: v1.28.0
1.28.0 (2026-01-21) Features add FaithfulnessEvaluator and deprecate HallucinationEvaluator (fc8b1b5) add span_id_key to link dataset examples to traces (01eb1fb) This PR was generated with Release Please. See documentation.
arize-phoenix: v12.32.0
12.32.0 (2026-01-27) Features add phoenix-ci/SKILL.md (3686228) add tool invocation accuracy metric (d1c89bf) evals skill (68ac6fb) tracing skill (d91a52b) Bug Fixes cost: update built-in model token prices (422250a) keyboard form submission of dataset creation (7b5b680) update links to typescript documentation (5c7664d) Documentation coding agents...
arize-phoenix: v12.33.0
12.33.0 (2026-01-28) Features oauth2: add EMAIL_ATTRIBUTE_PATH for configurable email extraction (90ab5ca) Bug Fixes move namespace package discovery before imports (e12fa87) Documentation updating phoenix nav (1e2ae4d)
arize-phoenix: v12.27.0
12.27.0 (2025-12-26) Features add analytics (da9f114) add generate api key buttons to project onboarding modals (abd90a4) add key icon (d943bdd) add theme selector to viewer preferences (c5300a1) consistent layout in playground, move dataset selector into the input / experiment sections (429037e) promote trace link to experiment table (a93de69) remember a...