Yes, the Nikpon Z50II supports the Tough Fn feature. This allows you to select the focus point with your fingertips while using the EVF.

So far there are no reports of overheating with the Nikon Z50 II Mirrorless Camera.

Unfortunately the Nikon Z50 II Mirrorless Camera does not have an in-camera sensor cleaning feature.

The Nikon Z50 II Mirrorless Camera with 16-50mm Lens comes with the Nikon UC-E25 USB Cable, which you can plug into the camera to charge the battery once you have placed the battery into the camera. Please note that you will need a wall adapter. You can also purchase the Nikon MH-32 Battery Charger separately.

No, the Nikon Z50 II Mirrorless Camera does not have in-camera focus stacking. There is a feature called Focus Shift Shooting for focus bracketing, which automatically takes a series of photos at different focus distances, but they must be combined in postproduction with a computer.

The Nikon Z50 II Mirrorless Camera shoots approximately 5.6 fps on continuous high-speed burst when it is set to lossless compressed raw.

According to cameradecision.com it does have a weather sealed body

Digital stabilization, like in the Nikon Z50 II Mirrorless Camera, refers to stabilization that's performed by the camera simulating IBIS but cropping the video to make it visually more stable. IBIS, on the other hand, is performed by a stabilization mechanism the sensor of the camera is mounted to that can physically move around to counteract shakes and vibrations the camera experiences.