Please don't double post your questions. I have deleted your previous one since it is the same as this one.
I just checked my 17 and I can save to BimX from the "3D Window" without problems. Just to be sure, you cannot save from a 2D Window to BimX. Also there is no problem publishing to BimX Docs.
Eduardo Rolón AIA NCARB
AC27 US/INT -> AC08Macbook Pro M1 Max 64GB ram, OS X 10.XX latest
another Moderator