This is the feature that surprised us the most since it eliminates the need for a gimbal, because the stabilization is so very well done. Even if nothing else about this camera phases you, the stabilization alone is worth buying it, the video is just that smooth.

Does the GoPro 8 need a gimbal?

You do not need a gimbal for the Hero 8: Evidence: VR / Action Cameras Forum: Digital Photography Review.

Is gimbal really necessary?

A gimbal is nice to have if you're a videographer. Having it in your hand will give you the confidence to shoot fast-moving, dynamic clips that are clear and stable. However, they could also be a considerable investment. If you can afford it, then you should get one by all means.