File type not yet supported by "import headless" in Rhino & WIP

Here is my very basic testing setup, using the latest service release (7.3.21053.23031, 02/22/2021):

import_headless_test.gh (6.8 KB)

From what I can see, there are still several import formats that trigger a command prompt:

The pdf format now seems to work actually.

I also draw your attention to another issue regarding exporting options I just reported:

Thank you!