# SoftBank Robotics documentation What's new in NAOqi 2.8?

# ALVision Changes

## New methods

These methods correspond to newly developped features.

Method | Aim
--- | ---
`ALVideoDeviceProxy::unsubscribe` | Up to 8 instances of a module can be subscribed to ALVideoDevice => unsubscribe all of them
`ALFaceDetectionProxy::forgetPerson` | Delete a person from the database
`ALVisionRecognitionProxy::changeDatabase` | Allows to swtich between different databases

## Deprecated methods

These methods are deprecated.

Method | Replacement
--- | ---
`ALVisionRecognitionProxy::load` | None

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