TAO 3.3 is released. Check out the announcement here - https://forum.taotesting.com/discussion/593/tao-community-edition-3-3-released#latest
Need to be 0 instead of NULL if answer wasn't marked
We have a problem when TAO admin calculating TOTAL SCORE. I think that needs to be set 0 instead of NULL when test taker skipping question and didnt mark anything. If NULL is using than results exported via CSV are not correct.