Sandcastle example: open any basic shape (e.g. Rectangle) and try to set an outlineWidth, or search "outlineWidth" on this tracker and read any of a bunch of existing issues, starting with #40 (!)

Browser: any

Operating System: Windows only, apparently

Since the very beginning of Cesium, people have been trying to use the outlineWidth property on EllipseGraphics, RectangleGraphics, Po

https://github.com/donmccurdy/glTF-Generator-Registry

In addPipelineExtras, a _pipeline object with a source is added to the extras of each buffer, so it can be used in https://github.com/CesiumGS/gltf-pipeline/blob/47e25f05dcb86d271675f9b5fa5be8dee8205b55/lib/mergeBuffers.js#L29

If a custom stage adds a buffer, it will not have a extras._pipeline object and therefore, will cause a crash in the line above.

A possible solution would

Description:
After editing a scene, returning 'Back to Projects' still shows the previously edited scene name in the browser tab title. This occurs in Firefox and Edge, although I'm guessing it would occur in any browser.

Steps:

1. Go to hubs.mozilla.com/spoke
2. Create a new scene or edit an existing one (note the name)
3. Save, then go to hamburger menu-->Back to Projects
4. Re

Currently all render engines come with different background colors. That makes comparing colors between renderers harder, especially for transparencies.

Would be great if all render engines could use a similar/the same background color by default.

![20200826-223937]