A-Frame anime UI example doesn't show anything

[jdm]

https://aframe.io/examples/showcase/anime-UI/

ERROR 2018-05-17T19:48:01Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 2) }
ERROR 2018-05-17T19:48:02Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 2) }
ERROR 2018-05-17T19:48:02Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 2) }
ERROR 2018-05-17T19:48:02Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }
ERROR 2018-05-17T19:48:02Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }
ERROR 2018-05-17T19:48:02Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }
ERROR 2018-05-17T19:48:02Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }
ERROR 2018-05-17T19:48:03Z: script::dom::bindings::error: Error at https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.js:2:55856 Error: No input element in the page matches .docs-search-sidebar .search-field
ERROR 2018-05-17T19:48:03Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }
A-Frame Version: 0.8.2 (Date 2018-04-15, Commit #b20527f)
three Version:
github:supermedium/three.js#r90fixMTLLoader
WebVR Polyfill Version:
^0.10.5
THREE.WebGLRenderer
90
ERROR 2018-05-17T19:48:07Z: offscreen_gl_context::draw_buffer: The given GLContext doesn't support requested antialising
THREE.WebGLRenderer: WEBGL_depth_texture extension not supported.
THREE.WebGLRenderer: OES_element_index_uint extension not supported.
THREE.WebGLRenderer: ANGLE_instanced_arrays extension not supported.
ERROR 2018-05-17T19:48:07Z: offscreen_gl_context::draw_buffer: The given GLContext doesn't support requested antialising
ERROR 2018-05-17T19:48:07Z: offscreen_gl_context::draw_buffer: The given GLContext doesn't support requested antialising
%ccore:a-animation:warn %c<a-animation> has been deprecated and will be replaced by the animation component: https://www.npmjs.com/package/aframe-animation-component%c
color: orange
color: inherit
color: orange
%ccore:a-assets:warn %cAsset loading timed out in %c
color: orange
color: inherit
color: orange
3000
ms
THREE.ColladaLoader: options.convertUpAxis() has been removed. Up axis is converted automatically.
THREE.ColladaLoader: timer started
THREE.ColladaLoader: DOMParser: timer started
THREE.ColladaLoader: DOMParser: 192ms
THREE.ColladaLoader: File version
1.4.1
THREE.ColladaLoader: Parse: timer started
THREE.ColladaLoader: Parse: 880ms
THREE.ColladaLoader: Build: timer started
THREE.ColladaLoader: Build: 300ms
THREE.ColladaLoader: 1388ms
ERROR 2018-05-17T19:48:22Z: offscreen_gl_context::draw_buffer: The given GLContext doesn't support requested antialising
ERROR 2018-05-17T19:48:22Z: offscreen_gl_context::draw_buffer: The given GLContext doesn't support requested antialising

[jdm]

Now the only error that appears is about SVGElement not being defined.

[jdm]

This renders correctly when --pref dom.svg.enabled is used!