Jitteting of Details (JItter) along with digital noise can make your footage unusable. Jitter is usually seen in low light clips and caused by inaccurate noise reduction and compression applied in the camera.
Make sure to follow this tutorial to be among the few pioneers who can reduce Jitter of Details. We often see this problem in videos taken in very low light by smaller devices like action cameras, drones, phones, and also older DSLR cameras.