# Release 6.1 Changelog

Introducing important new features and improvements with [Changelog 6.1](/content/blog/clarifai-release-6.1)

## New Features, Improvements, and Bug Fixes

| New Feature | Improvement | Bug Fix | Enterprise Only |
| --- | --- | --- | --- |
|  |  |  |  |

## Clients

| Status | Details |
| --- | --- |
|  | Remove Feedback endpoints from Python client |
|  | Remove Feedback endpoints from Java client |
|  | Remove Feedback endpoints from Javascript client |
|  | Remove Feedback endpoints from Portal/demo |
|  | Remove image.crop field from Python API client |
|  | Remove image.crop field from Java API client |
|  | Remove image.crop field from Javascript API client |

## Model

| Status | Details |
| --- | --- |
|  | Added detection evaluation in platform |
|  | Introduce concept mapping model that uses the knowledge graph relations, creating a path for users to eventually benefit from a pool of networked data |
|  | Fix a bug that caused the new face predictions to have a huge performance drop |
|  | Train and eval worker didn't invalidate model related cache. Fixed |
|  | Fix bug in deleting a concept relation by ID |

## Portal

| Status | Details |
| --- | --- |
|  | Bulk labelling can now be done from Explorer mode grid view. |
|  | Show Check/X on custom detection model predictions in Portal |
|  | Allow multiple concepts per bbox |
|  | Negative tags not visible in Portal. Fixed |

## Predict

| Status | Details |
| --- | --- |
|  | Remove extra round trip to storage in predict pathway |
|  | Remove the image.crop argument during predict and POST /inputs calls to simplify the API |
|  | Add region predictions from custom models to detections in videos |

## Search

| Status | Details |
| --- | --- |
|  | Implement search by annotation.status in backend |
|  | Connect saved searches and annotation status |