Compatibility of 3D tiles with Cesium in iTwin Capture Modeler
What is the compatibility with the cesium tiles and 3D version?
The 3D tiles produced by iTwin Capture Modeler are compatible with Cesium 1.22.2 of Cesium's 3D Tiles branch.

Note also that the basic Cesium application produced by iTwin Capture Modeler uses the same version.