I noticed via monitoring GitHub that release 1.19 was supposed to fix issues with KML Stylemaps.
It’s out now, and I’ve tried it out, and the stylemaps don’t appear to be applied still.
Here’s a sample KML file that I am rendering via Cesium 1.19:
Here’s the page where the file is rendered:
The little white segments here should be coloured.
In Google Earth:
What am I doing wrong? Or is there still a bug?