For normal web pages, rasterization of fonts is not a big deal. This is obviously not the case when projected into VR. WR rasterizes glyphs into font atlases a

For normal web pages, rasterization of fonts is not a big deal. This is obviously not the case when projected into VR. WR rasterizes glyphs into font atlases and uploads those to the GPU. Those atlases are cached for use later and can be selectively updated if need be. We also are working on path rasterization on the GPU with Pathfinder, so that will handle the other use cases plus things like SVG.