> For the complete documentation index, see [llms.txt](https://docs.dbnl.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dbnl.com/v0.23.x/versions/release-notes.md).

# Release Notes

## April 14, 2025 - Version 0.22.0

This release includes several new features that allow users to more easily view and diagnose behavioral shifts in their test sessions. Check out [Similarity Index](/v0.23.x/using-distributional/tests/reviewing-tests/what-is-a-similarity-index.md), our way of quantifying drift, and create new tests based on the key insights we surface!

### New Features

* Similarity Index: Added initial computation, Likert scale support, history charts, test creation, and UI enhancements.
* Metrics System: Introduced metric APIs, creation forms, and computation jobs
* UI/UX:
  * Key Insights and summary detail view improvements
  * Summary chips, tooltips, sortable tables
  * Various UI and UX improvements, including column metrics pages and test creation shortcuts
* Schema & Typing:
  * Parametrized type handling in UI
  * Improved type system: `to_json_value`, nullability, JSON unnesting
  * Schema unification

### Improvements

* Helm & Dependency Management:
  * Updated helm charts and lock files
  * Repinned/upgraded Python and JS dependencies (e.g., `alembic`, `ruff`, `identify`)
* UI/UX:
  * Improved Summary Tab and Test Session views
  * Fixed overlay defaults, sorted metrics table, and chart tooltips
  * Responsive layout tweaks and consistent styling
* General improvements:
  * Code quality, cleanup (deprecated / legacy code), and improved organization

### Bug Fixes

* UI/UX: Fixed navigation issues, loading states, pagination, and flaky links.
* Infrastructure: Resolved Helm/chart/tagging issues, GitHub Actions bugs, and sandbox setup problems.
* Testing: Addressed test failures and integration test inconsistencies.

### SDK Updates

* RunConfig or RunSchema for Runs (defaults to RunSchema on infer)
  * Integrated metrics into the `RunSchema` object
  * `RunConfig`deprecated for future releases
* Enabled metric creation and deletion
* Added `wait_for_run_close` utility (now default behavior)
* Improved command-line feedback and error handling (e.g., Docker not running)
* Removed support for legacy types and deprecated `DBNL_API_HOST`
* Adjusted version bounds for `numpy` and `spacy`
* Fixed multiple issues with publishing wheels and builds
* Improved SDK integration tests (including `wait_for_close`)
* Cleaned up comments and enhanced docstrings

## Mar 21, 2025 - Version 0.21.1

This patch release adds a critical bug fix to the sandbox authentication flow.

### Bug Fixes

* Fix a bug with the sandbox authentication flow that resulted in credentials being considered invalid

## Mar 17, 2025 - Version 0.21.0

This release adds a sandbox environment with the dbnl platform which can be deployed to a single machine. Contact us for access! 

### New Features

* New Sandbox deployment option
* Support for RunSchema on Run creation in the API

### Improvements

* Add install option to set dev tokens expiration policy
* Link to versioned documentation from the UI
* Terms of service updates
* Remove link to "View Test Analysis" page

### Bug Fixes

* \[UI] Only allow closed runs when selecting a default run for comparison in UI
* \[UI] Allow selecting more than 10 columns in test session summary page
* \[SDK] Fixed default namespace in URL for project upon get\_or\_create

### SDK Updates

* New SDK CLI interface
* Changes in minimum and maximum versions for some libraries (pyarrow, numpy, spacy)

## Feb 18, 2025 - Version 0.20.0

This release adds a number of new features, improvements, and bug fixes. 

### New Features

* New Test History feature in Test Spec detail page that enables users to understand a single tests' behavior over time, including its recalibration history 
* Added support for [Slack notifications](/v0.23.x/to-be-deleted/stages-in-the-ai-software-development-lifecycle/reviewing-test-sessions-and-runs-in-distributional/notifications.md) in UI

### Improvements

* Close runs in the UI
* Viewable dbnl version in sidebar
* UI performance improvements
* Update color of links
* Preserve input expressions in test spec editor
* Extend scope of Project export
  * Export Tags by name for Project export
  * Better error messages for Project import
* Improve namespace support for multi-org users
* Miscellaneous package updates
* Validate results on run close
* `/projects` redirects to home page

### Bug Fixes

* Fix broken pagination
* Fix broken Histogram title
* Fix Results Table rendering issue for some Tests
* Fix support for decimal values in assertion params
* Fix rendering of `=` and `!=` Assertions
* Test spec editor navigation bugfix

### New SDK Version

* Check compatibility with API version
* Add support for double and long values
* Improved errors for invalid API URL configuration
* Remove `en-core-web-sm` from requirements to enable PyPI support
* Updated helm-charts for on-prem

## Jan 13, 2025 - Version 0.19.0

Highlights in this version:

* Improvements to the project import/export feature including support for notifications.
* Support for new versioning and release process.
* Better dependency management.
* Too many bug fixes and UX improvements to list in detail.