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Delete Projects and Models from Tables

February 10, 2026 Delete projects and models directly from the table view with improved safety controls:

• Action column in tables - access delete functionality without navigating to individual project pages
• Type-to-confirm deletion - must enter the exact project or model name to prevent accidental deletions
• Streamlined workflow - manage your workspace organization more efficiently

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Create and Manage Prompts via API

February 10, 2026 New REST API endpoints enable programmatic prompt management:

• Create prompts - POST /v2/prompts to save prompts with model parameters, tools, and response formats
• List prompts - GET /v2/prompts with filtering by space, cursor-based pagination, and sort by last updated
• Get prompt details - GET /v2/prompts/{prompt_id} to retrieve specific prompt configurations
• Delete prompts - DELETE /v2/prompts/{prompt_id} to remove prompts programmatically
• Version control - systematically manage prompt variations across environments and track changes over time

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Query Spans with Powerful Filters

February 10, 2026 New /v2/spans endpoint enables sophisticated trace data analysis:

• Complex filtering - query spans by status code, time range, and custom attributes
• Pagination support - efficiently retrieve large result sets with cursor-based navigation
• Project-scoped access - filter spans within specific projects with proper RBAC enforcement
• Programmatic debugging - quickly identify errors, performance bottlenecks, and behavioral patterns without manual searching

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Escaped Curly Braces in Eval Templates

February 9, 2026 Include literal JSON examples in evaluation prompts without triggering template variable errors:

• Backslash escape syntax - use \{...\} to include curly braces as literal text
• JSON examples support - safely include code snippets like \{"component":"chat-response"\} in prompts
• Cross-stack compatibility - works consistently across frontend, backend TypeScript, Python, and Go services
• Template flexibility - combine template variables {variable} with escaped literals \{literal\} in the same prompt

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Trace Links in Playground Experiments

February 9, 2026 Navigate directly from experiment results to full trace details:

• Clickable trace links - view complete execution details for each playground run
• Available in multiple views - access traces from dataset pages, experiment comparison views, and the playground
• Bridge experimentation and observability - understand both output quality and execution behavior (latency, costs, tool calls) for every experimental run

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Internal Playground Tracing

February 4, 2026 All playground interactions are now automatically traced for debugging and analysis:

• Automatic capture - playground experiments generate traces without manual instrumentation
• Full observability - view latency, token counts, and execution details for every playground run
• Debugging capabilities - troubleshoot issues by examining complete execution paths
• Performance metrics - track and optimize playground interactions with detailed span data

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Enhanced Experiment Metadata

February 5, 2026 Comprehensive tracing metadata makes it easier to connect experiments to their evaluation results:

• Run and evaluator tracking - runId and evaluatorId link traces to specific experiment executions
• Parent task relationships - parentTaskId and parentTaskRunId connect chained evaluations
• Row identifiers - spanId for tracing data and exampleId for dataset evaluations
• Prompt templates - capture template strings and variables for reproducibility

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Select All Spans Moved to Floating Panel

February 6, 2026 Improved trace table UI with better multi-select controls:

• Floating action panel - “Select All Spans” button relocated to the floating panel for easier access
• Cleaner table view - removed dedicated row for select-all, reducing visual clutter
• Streamlined selection - manage span selections more efficiently with grouped controls

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Annotation Queue Progress Tracking

February 6, 2026 Better visibility into annotation workload distribution:

• Total assigned records - see how many records are assigned to annotators in each data cluster
• Progress calculation - track completion rates based on assigned vs. completed annotations
• Workload balancing - monitor task distribution across annotation teams to ensure balanced allocation

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ax-client SDK Published

February 6, 2026 The official Arize AX client SDK is now available for TypeScript/JavaScript projects:

• Datasets API - create, list, update, and delete datasets programmatically
• Experiments API - manage experiment runs and retrieve results
• Examples API - append and update examples in datasets
• Type-safe imports - full TypeScript support with generated types
• Environment variable configuration - simple setup with API keys

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Clickable Span Table Rows

February 3, 2026 Navigate directly to span details by clicking anywhere in the row:

• Full row clickable - entire table row is now interactive for easier navigation
• Faster debugging - quickly jump to span details without precise clicking on specific cells
• Improved UX - more intuitive interaction pattern consistent with modern data tables

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Dataset Examples Sorting

February 4, 2026 Organize dataset examples with flexible sorting options:

• Sort by creation date - see newest or oldest examples first
• Sort by update date - identify recently modified examples
• Sort by ID - consistent ordering for reproducible views
• Druid integration - sorting optimized at the database level for performance

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Pivot Table Dashboard Widgets

February 3, 2026 Create custom analysis views with configurable pivot tables:

• Group by dimensions - organize data by categorical fields
• Configurable metrics - select numeric columns with aggregation functions (sum, average, count)
• Ad-hoc analysis - explore data patterns without predefined reports
• Dashboard integration - save pivot configurations as reusable dashboard widgets

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Authentication Type for LLM Integrations

February 3, 2026 Database support for different authentication methods with LLM providers:

• Auth type column - stores authentication method for each LLM integration
• Multiple auth strategies - prepares platform for API keys, OAuth, and service accounts
• Provider flexibility - manage credentials differently for various LLM providers

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Phoenix Import Dedicated Tab

February 3, 2026 Simplified migration experience for Phoenix users:

• Dedicated import tab - separate “Import From Phoenix” tab in project creation
• Traces-only focus - streamlined UI showing only trace connection form
• Cleaner onboarding - removed Phoenix card from LLM tracing setup to reduce confusion
• Feature flag control - controlled rollout with enablePhoenixMigration flag

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Claude Opus 4.6 on Vertex AI

February 5, 2026 Access Anthropic’s most advanced model through Google Cloud:

• Vertex AI integration - Claude Opus 4.6 now available in playground and online tasks
• 1M token context window - handle extensive documents and conversations
• Enhanced reasoning - state-of-the-art performance on coding and complex workflows
• Enterprise deployment - leverage Google Cloud infrastructure for Claude models

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External HTTPS Access to Clusters

February 3, 2026 Simplified network access for external integrations:

• Port 443 ingress - external HTTPS traffic now allowed to cluster endpoints
• Secure external access - properly configured TLS/SSL for organization-wide availability
• Integration support - enables webhooks, API callbacks, and external monitoring tools

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Deployment Activity Heatmap

February 3, 2026 Visualize deployment patterns over time with a GitHub-style contribution graph:

• 52-week view - see deployment activity for the past year at a glance
• Color-coded frequency - darker cells indicate more deployments on that day
• Interactive tooltips - hover to see date, deployment count, and services deployed
• Summary statistics - total deployments and max-per-day metrics
• Filter compatibility - heatmap updates based on service filters

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AI Features Timeline Improvements

February 4, 2026 Better organization of AI features with date-based filtering:

• Recent activity focus - main tab shows only features from the last 7 days
• Full history tab - new “History” tab provides access to all past features
• View full history link - easily navigate between recent and historical views
• Direct URL support - ?tab=history parameter for bookmarking and sharing

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Improved Feature Generation Reliability

February 4, 2026 More robust AI feature generation with better error handling:

• Exponential backoff - automatic retries for rate limits and transient errors
• Branch diff context - includes current changes in prompts for better iteration
• Operation tracking - operationUuid field tracks async generation jobs
• Collapsible logs UI - view generation logs with auto-scroll and syntax highlighting

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GKE Infrastructure Upgrades

February 9, 2026 Enhanced Kubernetes infrastructure for improved performance and cost efficiency:

• GKE 1.33.5 - updated cluster and node pool versions
• Spot node pools - 60-91% cost savings for fault-tolerant workloads
• Extended IAM permissions - SecuritySMTP role updated with required access tokens
• DevOps logging access - roles/logging.viewer granted for improved debugging