The 3.0.62 update released today supports the Blender format and fixes minor issues with comets and asteroids. A more detailed version of the ISS, containing over 1.5 million polygons, is also available as an additional module (big-iss).
Version 3.0.61 online
A more detailed version of the Hubble Space Telescope
Following the resolution of the problem related to the application of textures on 3D objects, WinStars will gradually integrate more detailed versions of the probes and satellites visible within the program. To start, here is the Hubble telescope represented with 670,000 polygons (big-hubble module).