I just upgraded Draftsight to 1.4 (Linux version). Checked bug which i reported (the same about circles - you say you can't read my emails - what's the problem?). Unfortunately bug is still valid: If in esnaps is enabled tangent one, then while drawing circle if found tangent point then this point is always choosen - even if I enter radius in command window. Simple test - enable endpoint and tangent esnaps, draw any rectangle and then draw circle (diameter radius), first click on bottom left point of rectangle (center of circle) then on top left point of rectangle (desired radius) and in current version you get nothing. In 1.3 this was the way to get circle with radius zero at bottom left of rectangle, in 1.4 you apparently checking if radius is zero and if yes than ignore command. You should in this case check for next esnap point, or when constructing list of possible esnap not adding one which give zero radius. And completely ignore esnaps when entering radius in command window.

BTW. Could you publish change log?