I'd love to see a WebVulkan [0], as wrestling with WebGL's setup is really a slog to get it to work predictably in the way you want.

WebGL is making progress via extensions with Uniform Buffers, instanced geometry, etc., but as most people end up using e.g. Three.js, it seems like exposing a sane, more fine-grained API would help everyone.

[0] Knowing full-well that WebVulkan naturally won't magically solve any performance issues, and seems to be a very different beast https://twitter.com/Tojiro/status/628660898756825089