Hi, @JNWood
I made a CesiumJS plugin that allows you to render hundreds of thousands of markers with decent performance, surpassing CPU-hungry Billboards. I know it’s many years overdue, but if you or any other reader would still look for a performant massive markers rendering solution, please check out this plugin: https://www.npmjs.com/package/cesium-gpu-points-layer
Thread with some info about the plugin: Plugin for massive markers rendering & animation - cesium-gpu-points-layer
Thanks
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