You can now specify one or more admin users at startup using an environment variable. This is especially useful for managed deployments, allowing you to define admin access in a manifest or configuration file. The specified users will be automatically seeded into the database, enabling immediate login without manual setup.

Improvements and Bug Fixes 🐛

• Performance: Smaller page sizes

• Projects: Improved performance on projects page

• Experiments: Allow hover anywhere on experiment cell

• Annotations: Show metadata

• Feedback: Show full metadata

Within each project, there is now a Config tab to enhance customization. The default tab can now be set per project, ensuring the preferred view is displayed.

Learn more in .

Improvements and Bug Fixes 🐛

• : Use correlated subquery for orphan spans

• : Add toggle to treat orphan spans as root

• : Upgrade react-router, vite, vitest

• Experiments: Included delete experiment option to action menu

• Feature: Added support for specifying admin users via an environment variable at startup

• Annotation: Now displays metadata

• Settings Page: Now split across tabs for improved navigation and easier access

• Feedback: Added full metadata

• Projects: Improved performance

• UI: Added date format descriptions to explanations

In the New Project tab, we've added quick setup to instrument your application for BeeAI, SmolAgents, and the OpenAI Agents SDK.

Easily configure all integrations with streamlined instructions. Check out all Phoenix tracing integrations here.

You can now delete experiments directly from the action menu, making it quicker to manage and clean up your workspace. This update streamlines experiment management by reducing the steps needed to remove outdated or unnecessary runs. Get started with experiments .

Improvements and Bug Fixes 🐛

• : Show the date format in the explanation

You can now toggle the option to treat orphan spans as root when viewing your spans. Additionally, we've enhanced the UI with an icon view in span details for better visibility in smaller displays. Learn more in our .

Improvements and Bug Fixes 🐛

• Performance: Disable streaming when a dialog is open

• Playground: Removed unpredictable playground transformations

We’ve introduced several enhancements to Projects, providing greater flexibility and control over how you interact with data. These updates include:

• Persistent Column Selection on Tables: Your selected columns will now remain consistent across sessions, ensuring a more seamless workflow.

• Metadata Filters from the Table: Easily filter data directly from the table view using metadata attributes.

• Custom Time Ranges: You can now specify custom time ranges to filter traces and spans.

• Root Span Filter for Spans: Improved filtering options allow you to filter by root spans, helping to isolate and debug issues more effectively.

• Metadata Quick Filters: Quickly apply common metadata filters for faster navigation.

• Performance: Major speed improvements in project tracing views & visibility into database usage in settings

Improvements and Bug Fixes 🐛

• GraphQL: Query to get number of spans for each trace

• Performance: Show + n more spans in trace table

• Components: Add Token component

• Performance: Remove double fetching of spans

• Performance: Don't fetch new traces when the traces slideover is visible

• UI: Fix scrolling on trace tree

We've added the ability to resize Span, Trace, and Session tables. Resizing preferences are now persisted in the tracing store, ensuring settings are maintained per-project and per-table.

Improvements and Bug Fixes 🐛

• UI: Remove shadow on button group

• UI: Fixed broken popovers

• Save and Load from Prompts: You can now save and load configurations directly from prompts.

• Save and Load from Default Model Config: Default model configurations can be saved and loaded.

• Budget Token Management: Added the ability to adjust the budget token value.

• Thinking Configuration Toggle: You can now enable or disable the “thinking” feature.

Important Note: The default model config does not automatically apply to saved prompts. To include default thinking settings, ensure they are saved within the specific prompt.

Improvements and Bug Fixes 🐛

• : Added annotations to experiment JSON downloads

• : Add none as option for tool choice for anthropic 0.49.0

• : Port slider component to react-aria

New update overview:

• Prompt Playground: Now supports GPT-4.5 & Anthropic Sonnet 3.7 and Thinking Budgets

• Instrumentation: to trace smolagents by Hugging Face

• Evals: o3 support, Audio & Multi-Modal Evaluations

• Integrations: Phoenix now supports &

Improvements and Bug Fixes 🐛

• Admin: Show percent used of DB

• Configuration: Add environment variable for allocated DB storage capacity

• Tracing: Delete selected traces

• Tracing: Make trace tree more readable on smaller sizes

• Experiments: Ensure type is correct on run_experiment

• Experiments: Allow experiment run JSON downloads

• Python Client: Add anthropic thinking config param

• Components: Add ToggleButton

We've introduced the OpenAI Agents SDK for Python which provides enhanced visibility into agent behavior and performance.

Installation

• Includes an OpenTelemetry Instrumentor that traces agents, LLM calls, tool usage, and handoffs.

• With minimal setup, use the register function to connect your app to Phoenix and view real-time traces of agent workflows.

For more details on a quick setup, check out our integration documentation:

Walkthrough Video

Improvements and Bug Fixes 🐛

• : Azure API key made optional, included specialized UI for thinking budget parameter

• : Make the spans table the default tab

• : Added react-aria Tabs components

• : Download experiment runs and annotations as CSV