DLSS (Deep Learning Super Sampling)

 https://www.gpumag.com/dlss

Of course some improvements are more appreciated than others.

https://www.tomshardware.com/reference/what-is-nvidia-dlss

https://www.digitaltrends.com/computing/everything-you-need-to-know-about-nvidias-rtx-dlss-technology/

https://www.pcgamesn.com/nvidia/dlss-graphics

https://kotaku.com/amd-s-answer-to-nvidia-s-dlss-works-on-all-gpus-1847012712

https://www.nvidia.com/en-us/geforce/technologies/dlss

https://thedigitallabyrinth.blogspot.com/search?q=DLSS