The new feature of Meta Quest Pro allows users to simultaneously use both hands and controllers in a 'multimodal' way. - UploadVR

The upcoming Meta Quest Pro will feature a simultaneous hands and controllers mode, allowing for seamless transitions between the two. This mode, called Multimodal, will be available for developers to implement in their apps. Currently, users have to switch between hand tracking and controller modes, resulting in a delay and the disappearance of the controllers in hand tracking mode. With Multimodal, controller tracking will continue, allowing for instant transitions and the ability to mix hands and controllers. This feature will launch as an experimental option and will initially only support Quest Pro, but future support for other devices and controllers is planned. Additionally, Meta is working on reducing the latency of hand tracking on Quest 2 and Quest Pro, and introducing a Fast Motion Mode for improved tracking in fitness and rhythm apps. For more details, visit the source at UploadVR.

Source: https://www.uploadvr.com/meta-quest-pro-simultaneous-hands-controllers-mode/