What is the latest in video compression technology after H264 and H265? The article discusses lossy compression in broad terms, but have we reaped all the low

What is the latest in video compression technology after H264 and H265? The article discusses lossy compression in broad terms, but have we reaped all the low hanging fruit? Can we expect some sort of saturation just like we have with Moore's law where it gets harder and harder to optimize videos?