After clicking "Try it now", I see a loading spinner for a while and then a an empty blue page. Console outputs a bunch of stuff: wasm streaming compile faile

After clicking "Try it now", I see a loading spinner for a while and then a an empty blue page. Console outputs a bunch of stuff: wasm streaming compile failed: TypeError: Response has unsupported MIME type Assertion failed: glGetError() == 0, at: src/deps\sokol_gfx.h,3008,_sg_create_image WebGL warning: texImage2D: Requested size at this level is unsupported. uncaught exception: abort("Assertion failed: glGetError() == 0, at: src/deps\\sokol_gfx.h,3008,_sg_create_image") at jsStackTrace@http://lighttracer.org/index.js:1170:13 http://lighttracer.org/index.js:1170:13 On Firefox 67 on Linux.