This isn't a fully-fledged app or feature yet, and it's not yet available for beta testing, but according to the Verge it has some legs as a project.

Adobe's "Project Res-Up" uses diffusion-based upsampling technology (a class of generative AI that generates new data based on the data it's trained on) to increase video resolution while improving sharpness and detail.

Adobe took a clip from The Red House (1947) and upscaled it from 480 x 360 to 1280 x 960, increasing the total pixel count by 675 percent. The resulting footage was much sharper, with the AI removing most of the blurriness and adding new details like hair strands and highlights. The results were slightly unnatural, but given the low initial video quality, it's still an impressive leap compared to the upscaling on Nvidia's TV Shield or Microsoft's Video Super Resolution.

To be fair, most of the serious work has been conducted on upscaling 1990s mems.