Looking at the GPU tech used and the committer names in that repo, I'm pretty confident this will at very least compete with both Skia and Pathfinder. I'm not

Looking at the GPU tech used and the committer names in that repo, I'm pretty confident this will at very least compete with both Skia and Pathfinder. I'm not super familiar with Vello. These are solid tech choices by people who know what they're doing... definitely worth the effort to check its performance and quality out for yourself. These GPU-first renderers all have slightly different approaches and each probably occupies a best-in-class niche for some multidimensional space of quality x performance x hardware/driver support x ease of integration. If you're not happy with one of the four, the others are all worth checking out.